Home / 10,282,454.12-15,427,519.50-5,487,478.49

Finding the Fourth Proportional to 10,282,454.12, 15,427,519.50 and 5,487,478.49

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Solution

The fourth proportional to 10,282,454.12, 15,427,519.50 and 5,487,478.49 is: 8,233,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282,454.12 : 15,427,519.50 = 5,487,478.49 : x
  2. Step 2: Convert to fraction form
    10,282,454.12/15,427,519.50 = 5,487,478.49/x
  3. Step 3: Cross multiply
    10,282,454.12x = 15,427,519.50 × 5,487,478.49
  4. Step 4: Simplify right side
    10,282,454.12x = 84,658,181,410,305.56
  5. Step 5: Solve for x
    x = 84,658,181,410,305.56/10,282,454.12
  6. Step 6: Final answer
    x = 8,233,266.15

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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.