Home / 8,851,069.62-13,278,967.02-3,171,868.02

Finding the Fourth Proportional to 8,851,069.62, 13,278,967.02 and 3,171,868.02

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Solution

The fourth proportional to 8,851,069.62, 13,278,967.02 and 3,171,868.02 is: 4,758,648.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851,069.62 : 13,278,967.02 = 3,171,868.02 : x
  2. Step 2: Convert to fraction form
    8,851,069.62/13,278,967.02 = 3,171,868.02/x
  3. Step 3: Cross multiply
    8,851,069.62x = 13,278,967.02 × 3,171,868.02
  4. Step 4: Simplify right side
    8,851,069.62x = 42,119,130,829,372.70
  5. Step 5: Solve for x
    x = 42,119,130,829,372.70/8,851,069.62
  6. Step 6: Final answer
    x = 4,758,648.69

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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.