Home / 21,527,273.61-29,710,160.51-12,236,238.88

Finding the Fourth Proportional to 21,527,273.61, 29,710,160.51 and 12,236,238.88

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Solution

The fourth proportional to 21,527,273.61, 29,710,160.51 and 12,236,238.88 is: 16,887,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527,273.61 : 29,710,160.51 = 12,236,238.88 : x
  2. Step 2: Convert to fraction form
    21,527,273.61/29,710,160.51 = 12,236,238.88/x
  3. Step 3: Cross multiply
    21,527,273.61x = 29,710,160.51 × 12,236,238.88
  4. Step 4: Simplify right side
    21,527,273.61x = 363,540,621,028,046
  5. Step 5: Solve for x
    x = 363,540,621,028,046/21,527,273.61
  6. Step 6: Final answer
    x = 16,887,443.70

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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.