Home / 12,499,652.39-17,249,393.22-6,917,909.88

Finding the Fourth Proportional to 12,499,652.39, 17,249,393.22 and 6,917,909.88

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Solution

The fourth proportional to 12,499,652.39, 17,249,393.22 and 6,917,909.88 is: 9,546,645.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499,652.39 : 17,249,393.22 = 6,917,909.88 : x
  2. Step 2: Convert to fraction form
    12,499,652.39/17,249,393.22 = 6,917,909.88/x
  3. Step 3: Cross multiply
    12,499,652.39x = 17,249,393.22 × 6,917,909.88
  4. Step 4: Simplify right side
    12,499,652.39x = 119,329,747,780,643
  5. Step 5: Solve for x
    x = 119,329,747,780,643/12,499,652.39
  6. Step 6: Final answer
    x = 9,546,645.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.