Home / 19,418,549.60-29,127,824.40-8,081,141.60

Finding the Fourth Proportional to 19,418,549.60, 29,127,824.40 and 8,081,141.60

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Solution

The fourth proportional to 19,418,549.60, 29,127,824.40 and 8,081,141.60 is: 12,121,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418,549.60 : 29,127,824.40 = 8,081,141.60 : x
  2. Step 2: Convert to fraction form
    19,418,549.60/29,127,824.40 = 8,081,141.60/x
  3. Step 3: Cross multiply
    19,418,549.60x = 29,127,824.40 × 8,081,141.60
  4. Step 4: Simplify right side
    19,418,549.60x = 235,386,073,476,335.03
  5. Step 5: Solve for x
    x = 235,386,073,476,335.03/19,418,549.60
  6. Step 6: Final answer
    x = 12,121,712.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.