Home / 42,617,254.20-63,925,881.30-18,682,726.20

Finding the Fourth Proportional to 42,617,254.20, 63,925,881.30 and 18,682,726.20

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Solution

The fourth proportional to 42,617,254.20, 63,925,881.30 and 18,682,726.20 is: 28,024,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,617,254.20 : 63,925,881.30 = 18,682,726.20 : x
  2. Step 2: Convert to fraction form
    42,617,254.20/63,925,881.30 = 18,682,726.20/x
  3. Step 3: Cross multiply
    42,617,254.20x = 63,925,881.30 × 18,682,726.20
  4. Step 4: Simplify right side
    42,617,254.20x = 1,194,309,737,421,600
  5. Step 5: Solve for x
    x = 1,194,309,737,421,600/42,617,254.20
  6. Step 6: Final answer
    x = 28,024,089.30

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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.