Home / 15,737,759.28-21,719,214.48-8,768,888.64

Finding the Fourth Proportional to 15,737,759.28, 21,719,214.48 and 8,768,888.64

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Solution

The fourth proportional to 15,737,759.28, 21,719,214.48 and 8,768,888.64 is: 12,101,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737,759.28 : 21,719,214.48 = 8,768,888.64 : x
  2. Step 2: Convert to fraction form
    15,737,759.28/21,719,214.48 = 8,768,888.64/x
  3. Step 3: Cross multiply
    15,737,759.28x = 21,719,214.48 × 8,768,888.64
  4. Step 4: Simplify right side
    15,737,759.28x = 190,453,373,123,395.53
  5. Step 5: Solve for x
    x = 190,453,373,123,395.53/15,737,759.28
  6. Step 6: Final answer
    x = 12,101,682.95

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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.