Home / 15,472,321.60-21,350,520.48-8,502,632.68

Finding the Fourth Proportional to 15,472,321.60, 21,350,520.48 and 8,502,632.68

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Solution

The fourth proportional to 15,472,321.60, 21,350,520.48 and 8,502,632.68 is: 11,732,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,321.60 : 21,350,520.48 = 8,502,632.68 : x
  2. Step 2: Convert to fraction form
    15,472,321.60/21,350,520.48 = 8,502,632.68/x
  3. Step 3: Cross multiply
    15,472,321.60x = 21,350,520.48 × 8,502,632.68
  4. Step 4: Simplify right side
    15,472,321.60x = 181,535,633,168,257.28
  5. Step 5: Solve for x
    x = 181,535,633,168,257.28/15,472,321.60
  6. Step 6: Final answer
    x = 11,732,927.86

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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.