Home / 42,007,895.20-62,986,959.60-21,852,503.20

Finding the Fourth Proportional to 42,007,895.20, 62,986,959.60 and 21,852,503.20

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Solution

The fourth proportional to 42,007,895.20, 62,986,959.60 and 21,852,503.20 is: 32,765,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007,895.20 : 62,986,959.60 = 21,852,503.20 : x
  2. Step 2: Convert to fraction form
    42,007,895.20/62,986,959.60 = 21,852,503.20/x
  3. Step 3: Cross multiply
    42,007,895.20x = 62,986,959.60 × 21,852,503.20
  4. Step 4: Simplify right side
    42,007,895.20x = 1,376,422,736,217,270.75
  5. Step 5: Solve for x
    x = 1,376,422,736,217,270.75/42,007,895.20
  6. Step 6: Final answer
    x = 32,765,810.56

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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.