Home / 20,655,023.40-30,954,191.31-13,068,407.88

Finding the Fourth Proportional to 20,655,023.40, 30,954,191.31 and 13,068,407.88

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Solution

The fourth proportional to 20,655,023.40, 30,954,191.31 and 13,068,407.88 is: 19,584,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,023.40 : 30,954,191.31 = 13,068,407.88 : x
  2. Step 2: Convert to fraction form
    20,655,023.40/30,954,191.31 = 13,068,407.88/x
  3. Step 3: Cross multiply
    20,655,023.40x = 30,954,191.31 × 13,068,407.88
  4. Step 4: Simplify right side
    20,655,023.40x = 404,521,997,634,631.50
  5. Step 5: Solve for x
    x = 404,521,997,634,631.50/20,655,023.40
  6. Step 6: Final answer
    x = 19,584,678.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.