Home / 8,678,492.60-13,017,738.90-5,655,183.80

Finding the Fourth Proportional to 8,678,492.60, 13,017,738.90 and 5,655,183.80

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Solution

The fourth proportional to 8,678,492.60, 13,017,738.90 and 5,655,183.80 is: 8,482,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,492.60 : 13,017,738.90 = 5,655,183.80 : x
  2. Step 2: Convert to fraction form
    8,678,492.60/13,017,738.90 = 5,655,183.80/x
  3. Step 3: Cross multiply
    8,678,492.60x = 13,017,738.90 × 5,655,183.80
  4. Step 4: Simplify right side
    8,678,492.60x = 73,617,706,139,909.81
  5. Step 5: Solve for x
    x = 73,617,706,139,909.81/8,678,492.60
  6. Step 6: Final answer
    x = 8,482,775.70

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Double scale
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Similar ratio
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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.