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Finding the Fourth Proportional to 35,264,810.80, 52,831,897.80 and 20,073,617.20

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Solution

The fourth proportional to 35,264,810.80, 52,831,897.80 and 20,073,617.20 is: 30,073,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,264,810.80 : 52,831,897.80 = 20,073,617.20 : x
  2. Step 2: Convert to fraction form
    35,264,810.80/52,831,897.80 = 20,073,617.20/x
  3. Step 3: Cross multiply
    35,264,810.80x = 52,831,897.80 × 20,073,617.20
  4. Step 4: Simplify right side
    35,264,810.80x = 1,060,527,292,386,722
  5. Step 5: Solve for x
    x = 1,060,527,292,386,722/35,264,810.80
  6. Step 6: Final answer
    x = 30,073,244.92

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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.