Home / 8,688,003.70-13,032,005.55-3,960,195.70

Finding the Fourth Proportional to 8,688,003.70, 13,032,005.55 and 3,960,195.70

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Solution

The fourth proportional to 8,688,003.70, 13,032,005.55 and 3,960,195.70 is: 5,940,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,003.70 : 13,032,005.55 = 3,960,195.70 : x
  2. Step 2: Convert to fraction form
    8,688,003.70/13,032,005.55 = 3,960,195.70/x
  3. Step 3: Cross multiply
    8,688,003.70x = 13,032,005.55 × 3,960,195.70
  4. Step 4: Simplify right side
    8,688,003.70x = 51,609,292,341,486.14
  5. Step 5: Solve for x
    x = 51,609,292,341,486.14/8,688,003.70
  6. Step 6: Final answer
    x = 5,940,293.55

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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.