Home / 42,250,047.20-63,367,579.20-19,215,586.16

Finding the Fourth Proportional to 42,250,047.20, 63,367,579.20 and 19,215,586.16

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Solution

The fourth proportional to 42,250,047.20, 63,367,579.20 and 19,215,586.16 is: 28,819,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,250,047.20 : 63,367,579.20 = 19,215,586.16 : x
  2. Step 2: Convert to fraction form
    42,250,047.20/63,367,579.20 = 19,215,586.16/x
  3. Step 3: Cross multiply
    42,250,047.20x = 63,367,579.20 × 19,215,586.16
  4. Step 4: Simplify right side
    42,250,047.20x = 1,217,645,177,868,224
  5. Step 5: Solve for x
    x = 1,217,645,177,868,224/42,250,047.20
  6. Step 6: Final answer
    x = 28,819,972.01

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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.