Home / 8,020,105.80-12,030,158.70-4,831,459.80

Finding the Fourth Proportional to 8,020,105.80, 12,030,158.70 and 4,831,459.80

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Solution

The fourth proportional to 8,020,105.80, 12,030,158.70 and 4,831,459.80 is: 7,247,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,105.80 : 12,030,158.70 = 4,831,459.80 : x
  2. Step 2: Convert to fraction form
    8,020,105.80/12,030,158.70 = 4,831,459.80/x
  3. Step 3: Cross multiply
    8,020,105.80x = 12,030,158.70 × 4,831,459.80
  4. Step 4: Simplify right side
    8,020,105.80x = 58,123,228,146,670.26
  5. Step 5: Solve for x
    x = 58,123,228,146,670.26/8,020,105.80
  6. Step 6: Final answer
    x = 7,247,189.70

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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.