Home / 20,837,335.27-28,755,522.67-11,669,978.02

Finding the Fourth Proportional to 20,837,335.27, 28,755,522.67 and 11,669,978.02

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Solution

The fourth proportional to 20,837,335.27, 28,755,522.67 and 11,669,978.02 is: 16,104,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,335.27 : 28,755,522.67 = 11,669,978.02 : x
  2. Step 2: Convert to fraction form
    20,837,335.27/28,755,522.67 = 11,669,978.02/x
  3. Step 3: Cross multiply
    20,837,335.27x = 28,755,522.67 × 11,669,978.02
  4. Step 4: Simplify right side
    20,837,335.27x = 335,576,317,411,448
  5. Step 5: Solve for x
    x = 335,576,317,411,448/20,837,335.27
  6. Step 6: Final answer
    x = 16,104,569.66

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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.