Home / 31,589,064.64-47,386,488.57-8,869,808.80

Finding the Fourth Proportional to 31,589,064.64, 47,386,488.57 and 8,869,808.80

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Solution

The fourth proportional to 31,589,064.64, 47,386,488.57 and 8,869,808.80 is: 13,305,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589,064.64 : 47,386,488.57 = 8,869,808.80 : x
  2. Step 2: Convert to fraction form
    31,589,064.64/47,386,488.57 = 8,869,808.80/x
  3. Step 3: Cross multiply
    31,589,064.64x = 47,386,488.57 × 8,869,808.80
  4. Step 4: Simplify right side
    31,589,064.64x = 420,309,093,319,285.44
  5. Step 5: Solve for x
    x = 420,309,093,319,285.44/31,589,064.64
  6. Step 6: Final answer
    x = 13,305,525.13

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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.