Home / 8,760,626.40-13,140,939.60-6,353,176.80

Finding the Fourth Proportional to 8,760,626.40, 13,140,939.60 and 6,353,176.80

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Solution

The fourth proportional to 8,760,626.40, 13,140,939.60 and 6,353,176.80 is: 9,529,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760,626.40 : 13,140,939.60 = 6,353,176.80 : x
  2. Step 2: Convert to fraction form
    8,760,626.40/13,140,939.60 = 6,353,176.80/x
  3. Step 3: Cross multiply
    8,760,626.40x = 13,140,939.60 × 6,353,176.80
  4. Step 4: Simplify right side
    8,760,626.40x = 83,486,712,596,921.28
  5. Step 5: Solve for x
    x = 83,486,712,596,921.28/8,760,626.40
  6. Step 6: Final answer
    x = 9,529,765.20

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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.