Home / 10,368,918.80-15,526,162.20-7,319,819.60

Finding the Fourth Proportional to 10,368,918.80, 15,526,162.20 and 7,319,819.60

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Solution

The fourth proportional to 10,368,918.80, 15,526,162.20 and 7,319,819.60 is: 10,960,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,918.80 : 15,526,162.20 = 7,319,819.60 : x
  2. Step 2: Convert to fraction form
    10,368,918.80/15,526,162.20 = 7,319,819.60/x
  3. Step 3: Cross multiply
    10,368,918.80x = 15,526,162.20 × 7,319,819.60
  4. Step 4: Simplify right side
    10,368,918.80x = 113,648,706,384,339.11
  5. Step 5: Solve for x
    x = 113,648,706,384,339.11/10,368,918.80
  6. Step 6: Final answer
    x = 10,960,516.58

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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.