Home / 12,178,863.24-18,266,087.28-4,892,029.32

Finding the Fourth Proportional to 12,178,863.24, 18,266,087.28 and 4,892,029.32

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Solution

The fourth proportional to 12,178,863.24, 18,266,087.28 and 4,892,029.32 is: 7,337,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,863.24 : 18,266,087.28 = 4,892,029.32 : x
  2. Step 2: Convert to fraction form
    12,178,863.24/18,266,087.28 = 4,892,029.32/x
  3. Step 3: Cross multiply
    12,178,863.24x = 18,266,087.28 × 4,892,029.32
  4. Step 4: Simplify right side
    12,178,863.24x = 89,358,234,535,439.06
  5. Step 5: Solve for x
    x = 89,358,234,535,439.06/12,178,863.24
  6. Step 6: Final answer
    x = 7,337,157.23

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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.