Home / 43,182,211.28-64,763,753.40-12,470,104.40

Finding the Fourth Proportional to 43,182,211.28, 64,763,753.40 and 12,470,104.40

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Solution

The fourth proportional to 43,182,211.28, 64,763,753.40 and 12,470,104.40 is: 18,702,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182,211.28 : 64,763,753.40 = 12,470,104.40 : x
  2. Step 2: Convert to fraction form
    43,182,211.28/64,763,753.40 = 12,470,104.40/x
  3. Step 3: Cross multiply
    43,182,211.28x = 64,763,753.40 × 12,470,104.40
  4. Step 4: Simplify right side
    43,182,211.28x = 807,610,766,233,855
  5. Step 5: Solve for x
    x = 807,610,766,233,855/43,182,211.28
  6. Step 6: Final answer
    x = 18,702,394.86

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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.