Home / 42,336,007.80-63,504,011.70-12,039,934.20

Finding the Fourth Proportional to 42,336,007.80, 63,504,011.70 and 12,039,934.20

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Solution

The fourth proportional to 42,336,007.80, 63,504,011.70 and 12,039,934.20 is: 18,059,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336,007.80 : 63,504,011.70 = 12,039,934.20 : x
  2. Step 2: Convert to fraction form
    42,336,007.80/63,504,011.70 = 12,039,934.20/x
  3. Step 3: Cross multiply
    42,336,007.80x = 63,504,011.70 × 12,039,934.20
  4. Step 4: Simplify right side
    42,336,007.80x = 764,584,122,304,030.12
  5. Step 5: Solve for x
    x = 764,584,122,304,030.12/42,336,007.80
  6. Step 6: Final answer
    x = 18,059,901.30

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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.