Home / 12,538,656.60-18,807,902.64-3,440,042.52

Finding the Fourth Proportional to 12,538,656.60, 18,807,902.64 and 3,440,042.52

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Solution

The fourth proportional to 12,538,656.60, 18,807,902.64 and 3,440,042.52 is: 5,160,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,656.60 : 18,807,902.64 = 3,440,042.52 : x
  2. Step 2: Convert to fraction form
    12,538,656.60/18,807,902.64 = 3,440,042.52/x
  3. Step 3: Cross multiply
    12,538,656.60x = 18,807,902.64 × 3,440,042.52
  4. Step 4: Simplify right side
    12,538,656.60x = 64,699,984,793,620.26
  5. Step 5: Solve for x
    x = 64,699,984,793,620.26/12,538,656.60
  6. Step 6: Final answer
    x = 5,160,041.21

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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.