Home / 13,575,661.60-20,363,031.60-3,478,381.60

Finding the Fourth Proportional to 13,575,661.60, 20,363,031.60 and 3,478,381.60

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Solution

The fourth proportional to 13,575,661.60, 20,363,031.60 and 3,478,381.60 is: 5,217,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,661.60 : 20,363,031.60 = 3,478,381.60 : x
  2. Step 2: Convert to fraction form
    13,575,661.60/20,363,031.60 = 3,478,381.60/x
  3. Step 3: Cross multiply
    13,575,661.60x = 20,363,031.60 × 3,478,381.60
  4. Step 4: Simplify right side
    13,575,661.60x = 70,830,394,437,658.56
  5. Step 5: Solve for x
    x = 70,830,394,437,658.56/13,575,661.60
  6. Step 6: Final answer
    x = 5,217,454.33

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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.