Home / 12,153,163.60-18,226,829.40-7,024,502.80

Finding the Fourth Proportional to 12,153,163.60, 18,226,829.40 and 7,024,502.80

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Solution

The fourth proportional to 12,153,163.60, 18,226,829.40 and 7,024,502.80 is: 10,535,068.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153,163.60 : 18,226,829.40 = 7,024,502.80 : x
  2. Step 2: Convert to fraction form
    12,153,163.60/18,226,829.40 = 7,024,502.80/x
  3. Step 3: Cross multiply
    12,153,163.60x = 18,226,829.40 × 7,024,502.80
  4. Step 4: Simplify right side
    12,153,163.60x = 128,034,414,155,422.31
  5. Step 5: Solve for x
    x = 128,034,414,155,422.31/12,153,163.60
  6. Step 6: Final answer
    x = 10,535,068.76

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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.