Home / 13,307,720.60-19,961,580.90-12,934,472.60

Finding the Fourth Proportional to 13,307,720.60, 19,961,580.90 and 12,934,472.60

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Solution

The fourth proportional to 13,307,720.60, 19,961,580.90 and 12,934,472.60 is: 19,401,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,720.60 : 19,961,580.90 = 12,934,472.60 : x
  2. Step 2: Convert to fraction form
    13,307,720.60/19,961,580.90 = 12,934,472.60/x
  3. Step 3: Cross multiply
    13,307,720.60x = 19,961,580.90 × 12,934,472.60
  4. Step 4: Simplify right side
    13,307,720.60x = 258,192,521,203,733.31
  5. Step 5: Solve for x
    x = 258,192,521,203,733.31/13,307,720.60
  6. Step 6: Final answer
    x = 19,401,708.90

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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.