Home / 13,196,125.30-19,794,187.95-8,157,277.30

Finding the Fourth Proportional to 13,196,125.30, 19,794,187.95 and 8,157,277.30

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Solution

The fourth proportional to 13,196,125.30, 19,794,187.95 and 8,157,277.30 is: 12,235,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,125.30 : 19,794,187.95 = 8,157,277.30 : x
  2. Step 2: Convert to fraction form
    13,196,125.30/19,794,187.95 = 8,157,277.30/x
  3. Step 3: Cross multiply
    13,196,125.30x = 19,794,187.95 × 8,157,277.30
  4. Step 4: Simplify right side
    13,196,125.30x = 161,466,680,036,468.53
  5. Step 5: Solve for x
    x = 161,466,680,036,468.53/13,196,125.30
  6. Step 6: Final answer
    x = 12,235,915.95

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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.