Home / 21,527,281.36-29,710,171.20-12,236,246.63

Finding the Fourth Proportional to 21,527,281.36, 29,710,171.20 and 12,236,246.63

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Solution

The fourth proportional to 21,527,281.36, 29,710,171.20 and 12,236,246.63 is: 16,887,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527,281.36 : 29,710,171.20 = 12,236,246.63 : x
  2. Step 2: Convert to fraction form
    21,527,281.36/29,710,171.20 = 12,236,246.63/x
  3. Step 3: Cross multiply
    21,527,281.36x = 29,710,171.20 × 12,236,246.63
  4. Step 4: Simplify right side
    21,527,281.36x = 363,540,982,222,723.06
  5. Step 5: Solve for x
    x = 363,540,982,222,723.06/21,527,281.36
  6. Step 6: Final answer
    x = 16,887,454.40

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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.