Home / 13,600,865.40-20,401,298.10-11,829,395.40

Finding the Fourth Proportional to 13,600,865.40, 20,401,298.10 and 11,829,395.40

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Solution

The fourth proportional to 13,600,865.40, 20,401,298.10 and 11,829,395.40 is: 17,744,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,865.40 : 20,401,298.10 = 11,829,395.40 : x
  2. Step 2: Convert to fraction form
    13,600,865.40/20,401,298.10 = 11,829,395.40/x
  3. Step 3: Cross multiply
    13,600,865.40x = 20,401,298.10 × 11,829,395.40
  4. Step 4: Simplify right side
    13,600,865.40x = 241,335,021,898,168.75
  5. Step 5: Solve for x
    x = 241,335,021,898,168.75/13,600,865.40
  6. Step 6: Final answer
    x = 17,744,093.10

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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.