Home / 15,487,519.64-21,373,294.91-8,518,491.05

Finding the Fourth Proportional to 15,487,519.64, 21,373,294.91 and 8,518,491.05

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Solution

The fourth proportional to 15,487,519.64, 21,373,294.91 and 8,518,491.05 is: 11,755,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,519.64 : 21,373,294.91 = 8,518,491.05 : x
  2. Step 2: Convert to fraction form
    15,487,519.64/21,373,294.91 = 8,518,491.05/x
  3. Step 3: Cross multiply
    15,487,519.64x = 21,373,294.91 × 8,518,491.05
  4. Step 4: Simplify right side
    15,487,519.64x = 182,068,221,250,386.62
  5. Step 5: Solve for x
    x = 182,068,221,250,386.62/15,487,519.64
  6. Step 6: Final answer
    x = 11,755,802.45

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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.