Home / 42,010,726.28-62,990,895.18-19,263,126.92

Finding the Fourth Proportional to 42,010,726.28, 62,990,895.18 and 19,263,126.92

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Solution

The fourth proportional to 42,010,726.28, 62,990,895.18 and 19,263,126.92 is: 28,883,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,010,726.28 : 62,990,895.18 = 19,263,126.92 : x
  2. Step 2: Convert to fraction form
    42,010,726.28/62,990,895.18 = 19,263,126.92/x
  3. Step 3: Cross multiply
    42,010,726.28x = 62,990,895.18 × 19,263,126.92
  4. Step 4: Simplify right side
    42,010,726.28x = 1,213,401,608,656,756.25
  5. Step 5: Solve for x
    x = 1,213,401,608,656,756.25/42,010,726.28
  6. Step 6: Final answer
    x = 28,883,138.10

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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.