Home / 14,109,445.92-19,475,179.20-9,215,416.20

Finding the Fourth Proportional to 14,109,445.92, 19,475,179.20 and 9,215,416.20

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Solution

The fourth proportional to 14,109,445.92, 19,475,179.20 and 9,215,416.20 is: 12,719,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109,445.92 : 19,475,179.20 = 9,215,416.20 : x
  2. Step 2: Convert to fraction form
    14,109,445.92/19,475,179.20 = 9,215,416.20/x
  3. Step 3: Cross multiply
    14,109,445.92x = 19,475,179.20 × 9,215,416.20
  4. Step 4: Simplify right side
    14,109,445.92x = 179,471,881,897,583.03
  5. Step 5: Solve for x
    x = 179,471,881,897,583.03/14,109,445.92
  6. Step 6: Final answer
    x = 12,719,980.85

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1.5x scale

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.