Home / 12,953,480.20-19,430,220.30-9,171,233.80

Finding the Fourth Proportional to 12,953,480.20, 19,430,220.30 and 9,171,233.80

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Solution

The fourth proportional to 12,953,480.20, 19,430,220.30 and 9,171,233.80 is: 13,756,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,480.20 : 19,430,220.30 = 9,171,233.80 : x
  2. Step 2: Convert to fraction form
    12,953,480.20/19,430,220.30 = 9,171,233.80/x
  3. Step 3: Cross multiply
    12,953,480.20x = 19,430,220.30 × 9,171,233.80
  4. Step 4: Simplify right side
    12,953,480.20x = 178,199,093,156,806.16
  5. Step 5: Solve for x
    x = 178,199,093,156,806.16/12,953,480.20
  6. Step 6: Final answer
    x = 13,756,850.70

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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.