Home / 19,687,232.20-29,530,848.30-12,884,787.40

Finding the Fourth Proportional to 19,687,232.20, 29,530,848.30 and 12,884,787.40

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Solution

The fourth proportional to 19,687,232.20, 29,530,848.30 and 12,884,787.40 is: 19,327,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687,232.20 : 29,530,848.30 = 12,884,787.40 : x
  2. Step 2: Convert to fraction form
    19,687,232.20/29,530,848.30 = 12,884,787.40/x
  3. Step 3: Cross multiply
    19,687,232.20x = 29,530,848.30 × 12,884,787.40
  4. Step 4: Simplify right side
    19,687,232.20x = 380,498,702,087,151.44
  5. Step 5: Solve for x
    x = 380,498,702,087,151.44/19,687,232.20
  6. Step 6: Final answer
    x = 19,327,181.10

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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.