Home / 15,411,331.51-21,267,981.14-8,795,787.27

Finding the Fourth Proportional to 15,411,331.51, 21,267,981.14 and 8,795,787.27

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Solution

The fourth proportional to 15,411,331.51, 21,267,981.14 and 8,795,787.27 is: 12,138,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,331.51 : 21,267,981.14 = 8,795,787.27 : x
  2. Step 2: Convert to fraction form
    15,411,331.51/21,267,981.14 = 8,795,787.27/x
  3. Step 3: Cross multiply
    15,411,331.51x = 21,267,981.14 × 8,795,787.27
  4. Step 4: Simplify right side
    15,411,331.51x = 187,068,637,765,710.62
  5. Step 5: Solve for x
    x = 187,068,637,765,710.62/15,411,331.51
  6. Step 6: Final answer
    x = 12,138,382.57

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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.