Home / 8,691,411.80-13,037,117.70-6,451,923.80

Finding the Fourth Proportional to 8,691,411.80, 13,037,117.70 and 6,451,923.80

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Solution

The fourth proportional to 8,691,411.80, 13,037,117.70 and 6,451,923.80 is: 9,677,885.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,411.80 : 13,037,117.70 = 6,451,923.80 : x
  2. Step 2: Convert to fraction form
    8,691,411.80/13,037,117.70 = 6,451,923.80/x
  3. Step 3: Cross multiply
    8,691,411.80x = 13,037,117.70 × 6,451,923.80
  4. Step 4: Simplify right side
    8,691,411.80x = 84,114,489,972,031.25
  5. Step 5: Solve for x
    x = 84,114,489,972,031.25/8,691,411.80
  6. Step 6: Final answer
    x = 9,677,885.70

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Double scale
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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.