Home / 8,781,703.80-13,172,555.70-4,800,391.80

Finding the Fourth Proportional to 8,781,703.80, 13,172,555.70 and 4,800,391.80

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Solution

The fourth proportional to 8,781,703.80, 13,172,555.70 and 4,800,391.80 is: 7,200,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,703.80 : 13,172,555.70 = 4,800,391.80 : x
  2. Step 2: Convert to fraction form
    8,781,703.80/13,172,555.70 = 4,800,391.80/x
  3. Step 3: Cross multiply
    8,781,703.80x = 13,172,555.70 × 4,800,391.80
  4. Step 4: Simplify right side
    8,781,703.80x = 63,233,428,367,323.26
  5. Step 5: Solve for x
    x = 63,233,428,367,323.26/8,781,703.80
  6. Step 6: Final answer
    x = 7,200,587.70

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Similar ratio
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1.5x scale

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.