Home / 18,227,415.40-27,341,123.10-17,943,980.20

Finding the Fourth Proportional to 18,227,415.40, 27,341,123.10 and 17,943,980.20

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Solution

The fourth proportional to 18,227,415.40, 27,341,123.10 and 17,943,980.20 is: 26,915,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227,415.40 : 27,341,123.10 = 17,943,980.20 : x
  2. Step 2: Convert to fraction form
    18,227,415.40/27,341,123.10 = 17,943,980.20/x
  3. Step 3: Cross multiply
    18,227,415.40x = 27,341,123.10 × 17,943,980.20
  4. Step 4: Simplify right side
    18,227,415.40x = 490,608,571,552,162.62
  5. Step 5: Solve for x
    x = 490,608,571,552,162.62/18,227,415.40
  6. Step 6: Final answer
    x = 26,915,970.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.