Home / 31,091,220.88-46,574,372.76-15,482,023.60

Finding the Fourth Proportional to 31,091,220.88, 46,574,372.76 and 15,482,023.60

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Solution

The fourth proportional to 31,091,220.88, 46,574,372.76 and 15,482,023.60 is: 23,191,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,220.88 : 46,574,372.76 = 15,482,023.60 : x
  2. Step 2: Convert to fraction form
    31,091,220.88/46,574,372.76 = 15,482,023.60/x
  3. Step 3: Cross multiply
    31,091,220.88x = 46,574,372.76 × 15,482,023.60
  4. Step 4: Simplify right side
    31,091,220.88x = 721,065,538,225,517.12
  5. Step 5: Solve for x
    x = 721,065,538,225,517.12/31,091,220.88
  6. Step 6: Final answer
    x = 23,191,933.86

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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.