Home / 28,397,448.62-39,191,593.06-16,478,887.74

Finding the Fourth Proportional to 28,397,448.62, 39,191,593.06 and 16,478,887.74

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Solution

The fourth proportional to 28,397,448.62, 39,191,593.06 and 16,478,887.74 is: 22,742,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,448.62 : 39,191,593.06 = 16,478,887.74 : x
  2. Step 2: Convert to fraction form
    28,397,448.62/39,191,593.06 = 16,478,887.74/x
  3. Step 3: Cross multiply
    28,397,448.62x = 39,191,593.06 × 16,478,887.74
  4. Step 4: Simplify right side
    28,397,448.62x = 645,833,862,481,586
  5. Step 5: Solve for x
    x = 645,833,862,481,586/28,397,448.62
  6. Step 6: Final answer
    x = 22,742,672.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.