Home / 9,000,186.50-12,420,290.30-4,870,217.70

Finding the Fourth Proportional to 9,000,186.50, 12,420,290.30 and 4,870,217.70

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Solution

The fourth proportional to 9,000,186.50, 12,420,290.30 and 4,870,217.70 is: 6,720,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,186.50 : 12,420,290.30 = 4,870,217.70 : x
  2. Step 2: Convert to fraction form
    9,000,186.50/12,420,290.30 = 4,870,217.70/x
  3. Step 3: Cross multiply
    9,000,186.50x = 12,420,290.30 × 4,870,217.70
  4. Step 4: Simplify right side
    9,000,186.50x = 60,489,517,633,847.23
  5. Step 5: Solve for x
    x = 60,489,517,633,847.23/9,000,186.50
  6. Step 6: Final answer
    x = 6,720,918.25

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.