Home / 21,555,139.20-32,332,708.80-19,571,092.80

Finding the Fourth Proportional to 21,555,139.20, 32,332,708.80 and 19,571,092.80

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Solution

The fourth proportional to 21,555,139.20, 32,332,708.80 and 19,571,092.80 is: 29,356,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555,139.20 : 32,332,708.80 = 19,571,092.80 : x
  2. Step 2: Convert to fraction form
    21,555,139.20/32,332,708.80 = 19,571,092.80/x
  3. Step 3: Cross multiply
    21,555,139.20x = 32,332,708.80 × 19,571,092.80
  4. Step 4: Simplify right side
    21,555,139.20x = 632,786,444,400,176.62
  5. Step 5: Solve for x
    x = 632,786,444,400,176.62/21,555,139.20
  6. Step 6: Final answer
    x = 29,356,639.20

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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.