Home / 19,265,469.22-28,841,516.70-12,859,833.70

Finding the Fourth Proportional to 19,265,469.22, 28,841,516.70 and 12,859,833.70

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Solution

The fourth proportional to 19,265,469.22, 28,841,516.70 and 12,859,833.70 is: 19,251,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265,469.22 : 28,841,516.70 = 12,859,833.70 : x
  2. Step 2: Convert to fraction form
    19,265,469.22/28,841,516.70 = 12,859,833.70/x
  3. Step 3: Cross multiply
    19,265,469.22x = 28,841,516.70 × 12,859,833.70
  4. Step 4: Simplify right side
    19,265,469.22x = 370,897,108,417,772.75
  5. Step 5: Solve for x
    x = 370,897,108,417,772.75/19,265,469.22
  6. Step 6: Final answer
    x = 19,251,911.50

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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.