Home / 10,430,123.40-15,645,185.10-9,674,296.20

Finding the Fourth Proportional to 10,430,123.40, 15,645,185.10 and 9,674,296.20

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Solution

The fourth proportional to 10,430,123.40, 15,645,185.10 and 9,674,296.20 is: 14,511,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,123.40 : 15,645,185.10 = 9,674,296.20 : x
  2. Step 2: Convert to fraction form
    10,430,123.40/15,645,185.10 = 9,674,296.20/x
  3. Step 3: Cross multiply
    10,430,123.40x = 15,645,185.10 × 9,674,296.20
  4. Step 4: Simplify right side
    10,430,123.40x = 151,356,154,761,226.59
  5. Step 5: Solve for x
    x = 151,356,154,761,226.59/10,430,123.40
  6. Step 6: Final answer
    x = 14,511,444.30

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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.