Home / 15,033,490.56-20,746,216.98-8,157,972.62

Finding the Fourth Proportional to 15,033,490.56, 20,746,216.98 and 8,157,972.62

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Solution

The fourth proportional to 15,033,490.56, 20,746,216.98 and 8,157,972.62 is: 11,258,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,490.56 : 20,746,216.98 = 8,157,972.62 : x
  2. Step 2: Convert to fraction form
    15,033,490.56/20,746,216.98 = 8,157,972.62/x
  3. Step 3: Cross multiply
    15,033,490.56x = 20,746,216.98 × 8,157,972.62
  4. Step 4: Simplify right side
    15,033,490.56x = 169,247,070,143,284.62
  5. Step 5: Solve for x
    x = 169,247,070,143,284.62/15,033,490.56
  6. Step 6: Final answer
    x = 11,258,002.22

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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.