Home / 21,636,781.92-29,859,563.48-12,345,864.64

Finding the Fourth Proportional to 21,636,781.92, 29,859,563.48 and 12,345,864.64

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Solution

The fourth proportional to 21,636,781.92, 29,859,563.48 and 12,345,864.64 is: 17,037,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636,781.92 : 29,859,563.48 = 12,345,864.64 : x
  2. Step 2: Convert to fraction form
    21,636,781.92/29,859,563.48 = 12,345,864.64/x
  3. Step 3: Cross multiply
    21,636,781.92x = 29,859,563.48 × 12,345,864.64
  4. Step 4: Simplify right side
    21,636,781.92x = 368,642,128,933,567.38
  5. Step 5: Solve for x
    x = 368,642,128,933,567.38/21,636,781.92
  6. Step 6: Final answer
    x = 17,037,752.21

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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.