Home / 19,781,401.20-29,672,101.80-11,136,627.60

Finding the Fourth Proportional to 19,781,401.20, 29,672,101.80 and 11,136,627.60

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Solution

The fourth proportional to 19,781,401.20, 29,672,101.80 and 11,136,627.60 is: 16,704,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,401.20 : 29,672,101.80 = 11,136,627.60 : x
  2. Step 2: Convert to fraction form
    19,781,401.20/29,672,101.80 = 11,136,627.60/x
  3. Step 3: Cross multiply
    19,781,401.20x = 29,672,101.80 × 11,136,627.60
  4. Step 4: Simplify right side
    19,781,401.20x = 330,447,147,855,889.69
  5. Step 5: Solve for x
    x = 330,447,147,855,889.69/19,781,401.20
  6. Step 6: Final answer
    x = 16,704,941.40

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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.