Home / 38,264,912.30-57,397,368.45-21,258,800.30

Finding the Fourth Proportional to 38,264,912.30, 57,397,368.45 and 21,258,800.30

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Solution

The fourth proportional to 38,264,912.30, 57,397,368.45 and 21,258,800.30 is: 31,888,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,264,912.30 : 57,397,368.45 = 21,258,800.30 : x
  2. Step 2: Convert to fraction form
    38,264,912.30/57,397,368.45 = 21,258,800.30/x
  3. Step 3: Cross multiply
    38,264,912.30x = 57,397,368.45 × 21,258,800.30
  4. Step 4: Simplify right side
    38,264,912.30x = 1,220,199,193,624,070.75
  5. Step 5: Solve for x
    x = 1,220,199,193,624,070.75/38,264,912.30
  6. Step 6: Final answer
    x = 31,888,200.45

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Similar ratio
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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.