Home / 19,778,984.64-29,615,322.06-12,551,387.04

Finding the Fourth Proportional to 19,778,984.64, 29,615,322.06 and 12,551,387.04

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Solution

The fourth proportional to 19,778,984.64, 29,615,322.06 and 12,551,387.04 is: 18,793,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,984.64 : 29,615,322.06 = 12,551,387.04 : x
  2. Step 2: Convert to fraction form
    19,778,984.64/29,615,322.06 = 12,551,387.04/x
  3. Step 3: Cross multiply
    19,778,984.64x = 29,615,322.06 × 12,551,387.04
  4. Step 4: Simplify right side
    19,778,984.64x = 371,713,369,489,310.06
  5. Step 5: Solve for x
    x = 371,713,369,489,310.06/19,778,984.64
  6. Step 6: Final answer
    x = 18,793,349.42

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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.