Home / 9,421,217.20-14,131,825.80-8,791,361.20

Finding the Fourth Proportional to 9,421,217.20, 14,131,825.80 and 8,791,361.20

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Solution

The fourth proportional to 9,421,217.20, 14,131,825.80 and 8,791,361.20 is: 13,187,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421,217.20 : 14,131,825.80 = 8,791,361.20 : x
  2. Step 2: Convert to fraction form
    9,421,217.20/14,131,825.80 = 8,791,361.20/x
  3. Step 3: Cross multiply
    9,421,217.20x = 14,131,825.80 × 8,791,361.20
  4. Step 4: Simplify right side
    9,421,217.20x = 124,237,985,023,278.95
  5. Step 5: Solve for x
    x = 124,237,985,023,278.95/9,421,217.20
  6. Step 6: Final answer
    x = 13,187,041.80

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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.