Home / 10,595,799.60-15,877,369.80-7,887,418.80

Finding the Fourth Proportional to 10,595,799.60, 15,877,369.80 and 7,887,418.80

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Solution

The fourth proportional to 10,595,799.60, 15,877,369.80 and 7,887,418.80 is: 11,818,972.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,595,799.60 : 15,877,369.80 = 7,887,418.80 : x
  2. Step 2: Convert to fraction form
    10,595,799.60/15,877,369.80 = 7,887,418.80/x
  3. Step 3: Cross multiply
    10,595,799.60x = 15,877,369.80 × 7,887,418.80
  4. Step 4: Simplify right side
    10,595,799.60x = 125,231,465,055,072.25
  5. Step 5: Solve for x
    x = 125,231,465,055,072.25/10,595,799.60
  6. Step 6: Final answer
    x = 11,818,972.59

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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.