Home / 13,639,736.60-20,468,641.22-7,496,008.76

Finding the Fourth Proportional to 13,639,736.60, 20,468,641.22 and 7,496,008.76

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Solution

The fourth proportional to 13,639,736.60, 20,468,641.22 and 7,496,008.76 is: 11,248,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,736.60 : 20,468,641.22 = 7,496,008.76 : x
  2. Step 2: Convert to fraction form
    13,639,736.60/20,468,641.22 = 7,496,008.76/x
  3. Step 3: Cross multiply
    13,639,736.60x = 20,468,641.22 × 7,496,008.76
  4. Step 4: Simplify right side
    13,639,736.60x = 153,433,113,750,593.84
  5. Step 5: Solve for x
    x = 153,433,113,750,593.84/13,639,736.60
  6. Step 6: Final answer
    x = 11,248,979.24

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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.