Home / 12,655,490.85-18,979,318.26-4,567,442.76

Finding the Fourth Proportional to 12,655,490.85, 18,979,318.26 and 4,567,442.76

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Solution

The fourth proportional to 12,655,490.85, 18,979,318.26 and 4,567,442.76 is: 6,849,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655,490.85 : 18,979,318.26 = 4,567,442.76 : x
  2. Step 2: Convert to fraction form
    12,655,490.85/18,979,318.26 = 4,567,442.76/x
  3. Step 3: Cross multiply
    12,655,490.85x = 18,979,318.26 × 4,567,442.76
  4. Step 4: Simplify right side
    12,655,490.85x = 86,686,949,776,372.80
  5. Step 5: Solve for x
    x = 86,686,949,776,372.80/12,655,490.85
  6. Step 6: Final answer
    x = 6,849,750.10

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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.