Home / 10,368,053.55-15,552,080.33-7,813,378.35

Finding the Fourth Proportional to 10,368,053.55, 15,552,080.33 and 7,813,378.35

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Solution

The fourth proportional to 10,368,053.55, 15,552,080.33 and 7,813,378.35 is: 11,720,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,053.55 : 15,552,080.33 = 7,813,378.35 : x
  2. Step 2: Convert to fraction form
    10,368,053.55/15,552,080.33 = 7,813,378.35/x
  3. Step 3: Cross multiply
    10,368,053.55x = 15,552,080.33 × 7,813,378.35
  4. Step 4: Simplify right side
    10,368,053.55x = 121,514,287,708,815.95
  5. Step 5: Solve for x
    x = 121,514,287,708,815.95/10,368,053.55
  6. Step 6: Final answer
    x = 11,720,067.53

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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.