Home / 12,858,397.60-19,309,714.80-9,098,269.60

Finding the Fourth Proportional to 12,858,397.60, 19,309,714.80 and 9,098,269.60

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Solution

The fourth proportional to 12,858,397.60, 19,309,714.80 and 9,098,269.60 is: 13,663,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,397.60 : 19,309,714.80 = 9,098,269.60 : x
  2. Step 2: Convert to fraction form
    12,858,397.60/19,309,714.80 = 9,098,269.60/x
  3. Step 3: Cross multiply
    12,858,397.60x = 19,309,714.80 × 9,098,269.60
  4. Step 4: Simplify right side
    12,858,397.60x = 175,684,991,149,510.09
  5. Step 5: Solve for x
    x = 175,684,991,149,510.09/12,858,397.60
  6. Step 6: Final answer
    x = 13,663,054.81

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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.