Home / 8,921,305.45-12,311,488.25-5,053,743.91

Finding the Fourth Proportional to 8,921,305.45, 12,311,488.25 and 5,053,743.91

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Solution

The fourth proportional to 8,921,305.45, 12,311,488.25 and 5,053,743.91 is: 6,974,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,305.45 : 12,311,488.25 = 5,053,743.91 : x
  2. Step 2: Convert to fraction form
    8,921,305.45/12,311,488.25 = 5,053,743.91/x
  3. Step 3: Cross multiply
    8,921,305.45x = 12,311,488.25 × 5,053,743.91
  4. Step 4: Simplify right side
    8,921,305.45x = 62,219,108,766,474.06
  5. Step 5: Solve for x
    x = 62,219,108,766,474.06/8,921,305.45
  6. Step 6: Final answer
    x = 6,974,215.73

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1.5x scale

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.