Home / 25,541,008.56-35,217,876.60-20,880,385.20

Finding the Fourth Proportional to 25,541,008.56, 35,217,876.60 and 20,880,385.20

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Solution

The fourth proportional to 25,541,008.56, 35,217,876.60 and 20,880,385.20 is: 28,791,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541,008.56 : 35,217,876.60 = 20,880,385.20 : x
  2. Step 2: Convert to fraction form
    25,541,008.56/35,217,876.60 = 20,880,385.20/x
  3. Step 3: Cross multiply
    25,541,008.56x = 35,217,876.60 × 20,880,385.20
  4. Step 4: Simplify right side
    25,541,008.56x = 735,362,829,334,066.38
  5. Step 5: Solve for x
    x = 735,362,829,334,066.38/25,541,008.56
  6. Step 6: Final answer
    x = 28,791,456.20

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1.5x scale

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.