Home / 14,696,396.95-20,281,720.02-8,170,135.47

Finding the Fourth Proportional to 14,696,396.95, 20,281,720.02 and 8,170,135.47

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Solution

The fourth proportional to 14,696,396.95, 20,281,720.02 and 8,170,135.47 is: 11,275,171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696,396.95 : 20,281,720.02 = 8,170,135.47 : x
  2. Step 2: Convert to fraction form
    14,696,396.95/20,281,720.02 = 8,170,135.47/x
  3. Step 3: Cross multiply
    14,696,396.95x = 20,281,720.02 × 8,170,135.47
  4. Step 4: Simplify right side
    14,696,396.95x = 165,704,400,128,011.09
  5. Step 5: Solve for x
    x = 165,704,400,128,011.09/14,696,396.95
  6. Step 6: Final answer
    x = 11,275,171.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.