Home / 18,148,220.70-27,222,331.05-14,038,410.30

Finding the Fourth Proportional to 18,148,220.70, 27,222,331.05 and 14,038,410.30

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Solution

The fourth proportional to 18,148,220.70, 27,222,331.05 and 14,038,410.30 is: 21,057,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,220.70 : 27,222,331.05 = 14,038,410.30 : x
  2. Step 2: Convert to fraction form
    18,148,220.70/27,222,331.05 = 14,038,410.30/x
  3. Step 3: Cross multiply
    18,148,220.70x = 27,222,331.05 × 14,038,410.30
  4. Step 4: Simplify right side
    18,148,220.70x = 382,158,252,602,329.88
  5. Step 5: Solve for x
    x = 382,158,252,602,329.88/18,148,220.70
  6. Step 6: Final answer
    x = 21,057,615.45

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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.