Home / 15,240,005.96-21,025,778.85-9,040,303.80

Finding the Fourth Proportional to 15,240,005.96, 21,025,778.85 and 9,040,303.80

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Solution

The fourth proportional to 15,240,005.96, 21,025,778.85 and 9,040,303.80 is: 12,472,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240,005.96 : 21,025,778.85 = 9,040,303.80 : x
  2. Step 2: Convert to fraction form
    15,240,005.96/21,025,778.85 = 9,040,303.80/x
  3. Step 3: Cross multiply
    15,240,005.96x = 21,025,778.85 × 9,040,303.80
  4. Step 4: Simplify right side
    15,240,005.96x = 190,079,428,435,614.66
  5. Step 5: Solve for x
    x = 190,079,428,435,614.66/15,240,005.96
  6. Step 6: Final answer
    x = 12,472,398.57

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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.