Home / 21,064,788.92-29,070,306.47-11,772,358.71

Finding the Fourth Proportional to 21,064,788.92, 29,070,306.47 and 11,772,358.71

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Solution

The fourth proportional to 21,064,788.92, 29,070,306.47 and 11,772,358.71 is: 16,246,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064,788.92 : 29,070,306.47 = 11,772,358.71 : x
  2. Step 2: Convert to fraction form
    21,064,788.92/29,070,306.47 = 11,772,358.71/x
  3. Step 3: Cross multiply
    21,064,788.92x = 29,070,306.47 × 11,772,358.71
  4. Step 4: Simplify right side
    21,064,788.92x = 342,226,075,515,612.06
  5. Step 5: Solve for x
    x = 342,226,075,515,612.06/21,064,788.92
  6. Step 6: Final answer
    x = 16,246,356.75

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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.