Home / 8,144,366.70-12,216,550.05-5,416,302.90

Finding the Fourth Proportional to 8,144,366.70, 12,216,550.05 and 5,416,302.90

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Solution

The fourth proportional to 8,144,366.70, 12,216,550.05 and 5,416,302.90 is: 8,124,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144,366.70 : 12,216,550.05 = 5,416,302.90 : x
  2. Step 2: Convert to fraction form
    8,144,366.70/12,216,550.05 = 5,416,302.90/x
  3. Step 3: Cross multiply
    8,144,366.70x = 12,216,550.05 × 5,416,302.90
  4. Step 4: Simplify right side
    8,144,366.70x = 66,168,535,463,810.16
  5. Step 5: Solve for x
    x = 66,168,535,463,810.16/8,144,366.70
  6. Step 6: Final answer
    x = 8,124,454.35

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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.