Home / 19,681,808.20-29,522,712.30-12,498,497.35

Finding the Fourth Proportional to 19,681,808.20, 29,522,712.30 and 12,498,497.35

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Solution

The fourth proportional to 19,681,808.20, 29,522,712.30 and 12,498,497.35 is: 18,747,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,808.20 : 29,522,712.30 = 12,498,497.35 : x
  2. Step 2: Convert to fraction form
    19,681,808.20/29,522,712.30 = 12,498,497.35/x
  3. Step 3: Cross multiply
    19,681,808.20x = 29,522,712.30 × 12,498,497.35
  4. Step 4: Simplify right side
    19,681,808.20x = 368,989,541,446,362.38
  5. Step 5: Solve for x
    x = 368,989,541,446,362.38/19,681,808.20
  6. Step 6: Final answer
    x = 18,747,746.03

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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.