Home / 13,291,242.40-19,936,863.60-6,572,778.40

Finding the Fourth Proportional to 13,291,242.40, 19,936,863.60 and 6,572,778.40

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Solution

The fourth proportional to 13,291,242.40, 19,936,863.60 and 6,572,778.40 is: 9,859,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,242.40 : 19,936,863.60 = 6,572,778.40 : x
  2. Step 2: Convert to fraction form
    13,291,242.40/19,936,863.60 = 6,572,778.40/x
  3. Step 3: Cross multiply
    13,291,242.40x = 19,936,863.60 × 6,572,778.40
  4. Step 4: Simplify right side
    13,291,242.40x = 131,040,586,433,826.25
  5. Step 5: Solve for x
    x = 131,040,586,433,826.25/13,291,242.40
  6. Step 6: Final answer
    x = 9,859,167.60

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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.