Home / 12,789,414.57-19,197,772.38-5,506,478.58

Finding the Fourth Proportional to 12,789,414.57, 19,197,772.38 and 5,506,478.58

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Solution

The fourth proportional to 12,789,414.57, 19,197,772.38 and 5,506,478.58 is: 8,265,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,414.57 : 19,197,772.38 = 5,506,478.58 : x
  2. Step 2: Convert to fraction form
    12,789,414.57/19,197,772.38 = 5,506,478.58/x
  3. Step 3: Cross multiply
    12,789,414.57x = 19,197,772.38 × 5,506,478.58
  4. Step 4: Simplify right side
    12,789,414.57x = 105,712,122,394,185.61
  5. Step 5: Solve for x
    x = 105,712,122,394,185.61/12,789,414.57
  6. Step 6: Final answer
    x = 8,265,595.10

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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.