Home / 21,645,204.20-29,862,071.12-12,353,290.52

Finding the Fourth Proportional to 21,645,204.20, 29,862,071.12 and 12,353,290.52

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Solution

The fourth proportional to 21,645,204.20, 29,862,071.12 and 12,353,290.52 is: 17,042,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,204.20 : 29,862,071.12 = 12,353,290.52 : x
  2. Step 2: Convert to fraction form
    21,645,204.20/29,862,071.12 = 12,353,290.52/x
  3. Step 3: Cross multiply
    21,645,204.20x = 29,862,071.12 × 12,353,290.52
  4. Step 4: Simplify right side
    21,645,204.20x = 368,894,840,074,261.81
  5. Step 5: Solve for x
    x = 368,894,840,074,261.81/21,645,204.20
  6. Step 6: Final answer
    x = 17,042,797.87

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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.