Home / 13,178,511.60-19,729,276.20-9,399,375.60

Finding the Fourth Proportional to 13,178,511.60, 19,729,276.20 and 9,399,375.60

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Solution

The fourth proportional to 13,178,511.60, 19,729,276.20 and 9,399,375.60 is: 14,071,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,511.60 : 19,729,276.20 = 9,399,375.60 : x
  2. Step 2: Convert to fraction form
    13,178,511.60/19,729,276.20 = 9,399,375.60/x
  3. Step 3: Cross multiply
    13,178,511.60x = 19,729,276.20 × 9,399,375.60
  4. Step 4: Simplify right side
    13,178,511.60x = 185,442,877,319,940.72
  5. Step 5: Solve for x
    x = 185,442,877,319,940.72/13,178,511.60
  6. Step 6: Final answer
    x = 14,071,610.13

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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.