Home / 15,411,332.88-21,267,983.03-8,795,788.65

Finding the Fourth Proportional to 15,411,332.88, 21,267,983.03 and 8,795,788.65

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Solution

The fourth proportional to 15,411,332.88, 21,267,983.03 and 8,795,788.65 is: 12,138,384.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,332.88 : 21,267,983.03 = 8,795,788.65 : x
  2. Step 2: Convert to fraction form
    15,411,332.88/21,267,983.03 = 8,795,788.65/x
  3. Step 3: Cross multiply
    15,411,332.88x = 21,267,983.03 × 8,795,788.65
  4. Step 4: Simplify right side
    15,411,332.88x = 187,068,683,743,666.62
  5. Step 5: Solve for x
    x = 187,068,683,743,666.62/15,411,332.88
  6. Step 6: Final answer
    x = 12,138,384.47

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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.