Home / 8,979,368.92-12,366,337.98-8,403,037.72

Finding the Fourth Proportional to 8,979,368.92, 12,366,337.98 and 8,403,037.72

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Solution

The fourth proportional to 8,979,368.92, 12,366,337.98 and 8,403,037.72 is: 11,572,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,368.92 : 12,366,337.98 = 8,403,037.72 : x
  2. Step 2: Convert to fraction form
    8,979,368.92/12,366,337.98 = 8,403,037.72/x
  3. Step 3: Cross multiply
    8,979,368.92x = 12,366,337.98 × 8,403,037.72
  4. Step 4: Simplify right side
    8,979,368.92x = 103,914,804,504,208.62
  5. Step 5: Solve for x
    x = 103,914,804,504,208.62/8,979,368.92
  6. Step 6: Final answer
    x = 11,572,617.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.