Home / 22,509,069.76-31,062,410.40-12,195,789.76

Finding the Fourth Proportional to 22,509,069.76, 31,062,410.40 and 12,195,789.76

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Solution

The fourth proportional to 22,509,069.76, 31,062,410.40 and 12,195,789.76 is: 16,830,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509,069.76 : 31,062,410.40 = 12,195,789.76 : x
  2. Step 2: Convert to fraction form
    22,509,069.76/31,062,410.40 = 12,195,789.76/x
  3. Step 3: Cross multiply
    22,509,069.76x = 31,062,410.40 × 12,195,789.76
  4. Step 4: Simplify right side
    22,509,069.76x = 378,830,626,677,237.50
  5. Step 5: Solve for x
    x = 378,830,626,677,237.50/22,509,069.76
  6. Step 6: Final answer
    x = 16,830,132.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.