Home / 12,746,629.20-19,125,595.16-6,679,918.53

Finding the Fourth Proportional to 12,746,629.20, 19,125,595.16 and 6,679,918.53

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Solution

The fourth proportional to 12,746,629.20, 19,125,595.16 and 6,679,918.53 is: 10,022,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746,629.20 : 19,125,595.16 = 6,679,918.53 : x
  2. Step 2: Convert to fraction form
    12,746,629.20/19,125,595.16 = 6,679,918.53/x
  3. Step 3: Cross multiply
    12,746,629.20x = 19,125,595.16 × 6,679,918.53
  4. Step 4: Simplify right side
    12,746,629.20x = 127,757,417,473,162.73
  5. Step 5: Solve for x
    x = 127,757,417,473,162.73/12,746,629.20
  6. Step 6: Final answer
    x = 10,022,839.41

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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.