Home / 13,092,846.80-18,068,689.15-7,291,628.52

Finding the Fourth Proportional to 13,092,846.80, 18,068,689.15 and 7,291,628.52

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Solution

The fourth proportional to 13,092,846.80, 18,068,689.15 and 7,291,628.52 is: 10,062,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,092,846.80 : 18,068,689.15 = 7,291,628.52 : x
  2. Step 2: Convert to fraction form
    13,092,846.80/18,068,689.15 = 7,291,628.52/x
  3. Step 3: Cross multiply
    13,092,846.80x = 18,068,689.15 × 7,291,628.52
  4. Step 4: Simplify right side
    13,092,846.80x = 131,750,169,125,154.53
  5. Step 5: Solve for x
    x = 131,750,169,125,154.53/13,092,846.80
  6. Step 6: Final answer
    x = 10,062,759.55

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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.