Home / 19,306,781.60-28,964,060.40-5,659,901.60

Finding the Fourth Proportional to 19,306,781.60, 28,964,060.40 and 5,659,901.60

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Solution

The fourth proportional to 19,306,781.60, 28,964,060.40 and 5,659,901.60 is: 8,490,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,306,781.60 : 28,964,060.40 = 5,659,901.60 : x
  2. Step 2: Convert to fraction form
    19,306,781.60/28,964,060.40 = 5,659,901.60/x
  3. Step 3: Cross multiply
    19,306,781.60x = 28,964,060.40 × 5,659,901.60
  4. Step 4: Simplify right side
    19,306,781.60x = 163,933,731,800,456.62
  5. Step 5: Solve for x
    x = 163,933,731,800,456.62/19,306,781.60
  6. Step 6: Final answer
    x = 8,490,992.19

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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.