Home / 21,521,647.20-32,282,470.80-7,874,767.20

Finding the Fourth Proportional to 21,521,647.20, 32,282,470.80 and 7,874,767.20

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Solution

The fourth proportional to 21,521,647.20, 32,282,470.80 and 7,874,767.20 is: 11,812,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521,647.20 : 32,282,470.80 = 7,874,767.20 : x
  2. Step 2: Convert to fraction form
    21,521,647.20/32,282,470.80 = 7,874,767.20/x
  3. Step 3: Cross multiply
    21,521,647.20x = 32,282,470.80 × 7,874,767.20
  4. Step 4: Simplify right side
    21,521,647.20x = 254,216,942,190,797.78
  5. Step 5: Solve for x
    x = 254,216,942,190,797.78/21,521,647.20
  6. Step 6: Final answer
    x = 11,812,150.80

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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.