Home / 13,755,862.80-20,633,794.20-7,378,570.80

Finding the Fourth Proportional to 13,755,862.80, 20,633,794.20 and 7,378,570.80

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Solution

The fourth proportional to 13,755,862.80, 20,633,794.20 and 7,378,570.80 is: 11,067,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,862.80 : 20,633,794.20 = 7,378,570.80 : x
  2. Step 2: Convert to fraction form
    13,755,862.80/20,633,794.20 = 7,378,570.80/x
  3. Step 3: Cross multiply
    13,755,862.80x = 20,633,794.20 × 7,378,570.80
  4. Step 4: Simplify right side
    13,755,862.80x = 152,247,911,377,329.34
  5. Step 5: Solve for x
    x = 152,247,911,377,329.34/13,755,862.80
  6. Step 6: Final answer
    x = 11,067,856.20

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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.