Home / 15,411,179.75-21,267,771.54-8,795,635.40

Finding the Fourth Proportional to 15,411,179.75, 21,267,771.54 and 8,795,635.40

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Solution

The fourth proportional to 15,411,179.75, 21,267,771.54 and 8,795,635.40 is: 12,138,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411,179.75 : 21,267,771.54 = 8,795,635.40 : x
  2. Step 2: Convert to fraction form
    15,411,179.75/21,267,771.54 = 8,795,635.40/x
  3. Step 3: Cross multiply
    15,411,179.75x = 21,267,771.54 × 8,795,635.40
  4. Step 4: Simplify right side
    15,411,179.75x = 187,063,564,236,336.53
  5. Step 5: Solve for x
    x = 187,063,564,236,336.53/15,411,179.75
  6. Step 6: Final answer
    x = 12,138,172.89

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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.