Home / 20,193,615.30-30,290,422.95-17,961,563.10

Finding the Fourth Proportional to 20,193,615.30, 30,290,422.95 and 17,961,563.10

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Solution

The fourth proportional to 20,193,615.30, 30,290,422.95 and 17,961,563.10 is: 26,942,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,615.30 : 30,290,422.95 = 17,961,563.10 : x
  2. Step 2: Convert to fraction form
    20,193,615.30/30,290,422.95 = 17,961,563.10/x
  3. Step 3: Cross multiply
    20,193,615.30x = 30,290,422.95 × 17,961,563.10
  4. Step 4: Simplify right side
    20,193,615.30x = 544,063,343,142,113.19
  5. Step 5: Solve for x
    x = 544,063,343,142,113.19/20,193,615.30
  6. Step 6: Final answer
    x = 26,942,344.65

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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.