Home / 21,328,733.97-29,432,925.05-12,164,329.17

Finding the Fourth Proportional to 21,328,733.97, 29,432,925.05 and 12,164,329.17

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Solution

The fourth proportional to 21,328,733.97, 29,432,925.05 and 12,164,329.17 is: 16,786,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,733.97 : 29,432,925.05 = 12,164,329.17 : x
  2. Step 2: Convert to fraction form
    21,328,733.97/29,432,925.05 = 12,164,329.17/x
  3. Step 3: Cross multiply
    21,328,733.97x = 29,432,925.05 × 12,164,329.17
  4. Step 4: Simplify right side
    21,328,733.97x = 358,031,788,683,317.06
  5. Step 5: Solve for x
    x = 358,031,788,683,317.06/21,328,733.97
  6. Step 6: Final answer
    x = 16,786,359.15

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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.