Home / 12,339,535.20-18,501,526.80-5,156,066.40

Finding the Fourth Proportional to 12,339,535.20, 18,501,526.80 and 5,156,066.40

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Solution

The fourth proportional to 12,339,535.20, 18,501,526.80 and 5,156,066.40 is: 7,730,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,535.20 : 18,501,526.80 = 5,156,066.40 : x
  2. Step 2: Convert to fraction form
    12,339,535.20/18,501,526.80 = 5,156,066.40/x
  3. Step 3: Cross multiply
    12,339,535.20x = 18,501,526.80 × 5,156,066.40
  4. Step 4: Simplify right side
    12,339,535.20x = 95,395,100,682,179.53
  5. Step 5: Solve for x
    x = 95,395,100,682,179.53/12,339,535.20
  6. Step 6: Final answer
    x = 7,730,850.40

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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.