Home / 10,368,067.10-15,552,100.65-7,792,655.90

Finding the Fourth Proportional to 10,368,067.10, 15,552,100.65 and 7,792,655.90

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Solution

The fourth proportional to 10,368,067.10, 15,552,100.65 and 7,792,655.90 is: 11,688,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,067.10 : 15,552,100.65 = 7,792,655.90 : x
  2. Step 2: Convert to fraction form
    10,368,067.10/15,552,100.65 = 7,792,655.90/x
  3. Step 3: Cross multiply
    10,368,067.10x = 15,552,100.65 × 7,792,655.90
  4. Step 4: Simplify right side
    10,368,067.10x = 121,192,168,887,616.34
  5. Step 5: Solve for x
    x = 121,192,168,887,616.34/10,368,067.10
  6. Step 6: Final answer
    x = 11,688,983.85

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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.