Home / 15,389,401.20-23,078,658.60-5,289,673.20

Finding the Fourth Proportional to 15,389,401.20, 23,078,658.60 and 5,289,673.20

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Solution

The fourth proportional to 15,389,401.20, 23,078,658.60 and 5,289,673.20 is: 7,932,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389,401.20 : 23,078,658.60 = 5,289,673.20 : x
  2. Step 2: Convert to fraction form
    15,389,401.20/23,078,658.60 = 5,289,673.20/x
  3. Step 3: Cross multiply
    15,389,401.20x = 23,078,658.60 × 5,289,673.20
  4. Step 4: Simplify right side
    15,389,401.20x = 122,078,561,888,369.53
  5. Step 5: Solve for x
    x = 122,078,561,888,369.53/15,389,401.20
  6. Step 6: Final answer
    x = 7,932,638.85

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1.5x scale

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.