Home / 12,672,436.80-19,013,320.80-4,153,051.20

Finding the Fourth Proportional to 12,672,436.80, 19,013,320.80 and 4,153,051.20

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Solution

The fourth proportional to 12,672,436.80, 19,013,320.80 and 4,153,051.20 is: 6,231,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,436.80 : 19,013,320.80 = 4,153,051.20 : x
  2. Step 2: Convert to fraction form
    12,672,436.80/19,013,320.80 = 4,153,051.20/x
  3. Step 3: Cross multiply
    12,672,436.80x = 19,013,320.80 × 4,153,051.20
  4. Step 4: Simplify right side
    12,672,436.80x = 78,963,294,764,424.97
  5. Step 5: Solve for x
    x = 78,963,294,764,424.97/12,672,436.80
  6. Step 6: Final answer
    x = 6,231,105.83

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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.