Home / 12,665,693.60-18,998,541-5,090,887.88

Finding the Fourth Proportional to 12,665,693.60, 18,998,541 and 5,090,887.88

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Solution

The fourth proportional to 12,665,693.60, 18,998,541 and 5,090,887.88 is: 7,636,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,665,693.60 : 18,998,541 = 5,090,887.88 : x
  2. Step 2: Convert to fraction form
    12,665,693.60/18,998,541 = 5,090,887.88/x
  3. Step 3: Cross multiply
    12,665,693.60x = 18,998,541 × 5,090,887.88
  4. Step 4: Simplify right side
    12,665,693.60x = 96,719,442,114,583.08
  5. Step 5: Solve for x
    x = 96,719,442,114,583.08/12,665,693.60
  6. Step 6: Final answer
    x = 7,636,332.06

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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.