Home / 21,943,856.80-32,915,785.20-7,760,432.80

Finding the Fourth Proportional to 21,943,856.80, 32,915,785.20 and 7,760,432.80

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Solution

The fourth proportional to 21,943,856.80, 32,915,785.20 and 7,760,432.80 is: 11,640,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,943,856.80 : 32,915,785.20 = 7,760,432.80 : x
  2. Step 2: Convert to fraction form
    21,943,856.80/32,915,785.20 = 7,760,432.80/x
  3. Step 3: Cross multiply
    21,943,856.80x = 32,915,785.20 × 7,760,432.80
  4. Step 4: Simplify right side
    21,943,856.80x = 255,440,739,103,834.56
  5. Step 5: Solve for x
    x = 255,440,739,103,834.56/21,943,856.80
  6. Step 6: Final answer
    x = 11,640,649.20

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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.