Home / 20,219,908.60-30,329,862.90-5,843,445.40

Finding the Fourth Proportional to 20,219,908.60, 30,329,862.90 and 5,843,445.40

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Solution

The fourth proportional to 20,219,908.60, 30,329,862.90 and 5,843,445.40 is: 8,765,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,908.60 : 30,329,862.90 = 5,843,445.40 : x
  2. Step 2: Convert to fraction form
    20,219,908.60/30,329,862.90 = 5,843,445.40/x
  3. Step 3: Cross multiply
    20,219,908.60x = 30,329,862.90 × 5,843,445.40
  4. Step 4: Simplify right side
    20,219,908.60x = 177,230,897,845,635.66
  5. Step 5: Solve for x
    x = 177,230,897,845,635.66/20,219,908.60
  6. Step 6: Final answer
    x = 8,765,168.10

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1.5x scale

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.