Home / 19,265,468.22-28,841,515.20-12,859,832.70

Finding the Fourth Proportional to 19,265,468.22, 28,841,515.20 and 12,859,832.70

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Solution

The fourth proportional to 19,265,468.22, 28,841,515.20 and 12,859,832.70 is: 19,251,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265,468.22 : 28,841,515.20 = 12,859,832.70 : x
  2. Step 2: Convert to fraction form
    19,265,468.22/28,841,515.20 = 12,859,832.70/x
  3. Step 3: Cross multiply
    19,265,468.22x = 28,841,515.20 × 12,859,832.70
  4. Step 4: Simplify right side
    19,265,468.22x = 370,897,060,286,507
  5. Step 5: Solve for x
    x = 370,897,060,286,507/19,265,468.22
  6. Step 6: Final answer
    x = 19,251,910.00

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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.