Home / 15,411,331.88-21,267,981.65-8,795,787.65

Finding the Fourth Proportional to 15,411,331.88, 21,267,981.65 and 8,795,787.65

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Solution

The fourth proportional to 15,411,331.88, 21,267,981.65 and 8,795,787.65 is: 12,138,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,331.88 : 21,267,981.65 = 8,795,787.65 : x
  2. Step 2: Convert to fraction form
    15,411,331.88/21,267,981.65 = 8,795,787.65/x
  3. Step 3: Cross multiply
    15,411,331.88x = 21,267,981.65 × 8,795,787.65
  4. Step 4: Simplify right side
    15,411,331.88x = 187,068,650,306,316.16
  5. Step 5: Solve for x
    x = 187,068,650,306,316.16/15,411,331.88
  6. Step 6: Final answer
    x = 12,138,383.09

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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.