Home / 34,784,884.80-51,943,082.40-28,407,787.20

Finding the Fourth Proportional to 34,784,884.80, 51,943,082.40 and 28,407,787.20

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Solution

The fourth proportional to 34,784,884.80, 51,943,082.40 and 28,407,787.20 is: 42,420,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,784,884.80 : 51,943,082.40 = 28,407,787.20 : x
  2. Step 2: Convert to fraction form
    34,784,884.80/51,943,082.40 = 28,407,787.20/x
  3. Step 3: Cross multiply
    34,784,884.80x = 51,943,082.40 × 28,407,787.20
  4. Step 4: Simplify right side
    34,784,884.80x = 1,475,588,031,331,265.25
  5. Step 5: Solve for x
    x = 1,475,588,031,331,265.25/34,784,884.80
  6. Step 6: Final answer
    x = 42,420,380.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.