Home / 21,888,010.20-32,832,015.30-20,842,915.80

Finding the Fourth Proportional to 21,888,010.20, 32,832,015.30 and 20,842,915.80

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Solution

The fourth proportional to 21,888,010.20, 32,832,015.30 and 20,842,915.80 is: 31,264,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,010.20 : 32,832,015.30 = 20,842,915.80 : x
  2. Step 2: Convert to fraction form
    21,888,010.20/32,832,015.30 = 20,842,915.80/x
  3. Step 3: Cross multiply
    21,888,010.20x = 32,832,015.30 × 20,842,915.80
  4. Step 4: Simplify right side
    21,888,010.20x = 684,314,930,442,211.75
  5. Step 5: Solve for x
    x = 684,314,930,442,211.75/21,888,010.20
  6. Step 6: Final answer
    x = 31,264,373.70

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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.