Home / 20,717,825.60-28,596,113.42-12,238,393.97

Finding the Fourth Proportional to 20,717,825.60, 28,596,113.42 and 12,238,393.97

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Solution

The fourth proportional to 20,717,825.60, 28,596,113.42 and 12,238,393.97 is: 16,892,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,825.60 : 28,596,113.42 = 12,238,393.97 : x
  2. Step 2: Convert to fraction form
    20,717,825.60/28,596,113.42 = 12,238,393.97/x
  3. Step 3: Cross multiply
    20,717,825.60x = 28,596,113.42 × 12,238,393.97
  4. Step 4: Simplify right side
    20,717,825.60x = 349,970,501,983,572.12
  5. Step 5: Solve for x
    x = 349,970,501,983,572.12/20,717,825.60
  6. Step 6: Final answer
    x = 16,892,240.95

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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.