Home / 13,325,469.76-19,996,165.32-12,241,320.40

Finding the Fourth Proportional to 13,325,469.76, 19,996,165.32 and 12,241,320.40

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Solution

The fourth proportional to 13,325,469.76, 19,996,165.32 and 12,241,320.40 is: 18,369,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,469.76 : 19,996,165.32 = 12,241,320.40 : x
  2. Step 2: Convert to fraction form
    13,325,469.76/19,996,165.32 = 12,241,320.40/x
  3. Step 3: Cross multiply
    13,325,469.76x = 19,996,165.32 × 12,241,320.40
  4. Step 4: Simplify right side
    13,325,469.76x = 244,779,466,453,488.53
  5. Step 5: Solve for x
    x = 244,779,466,453,488.53/13,325,469.76
  6. Step 6: Final answer
    x = 18,369,293.61

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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.