Home / 6,315,557.92-8,713,329.14-5,151,992.78

Finding the Fourth Proportional to 6,315,557.92, 8,713,329.14 and 5,151,992.78

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Solution

The fourth proportional to 6,315,557.92, 8,713,329.14 and 5,151,992.78 is: 7,108,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315,557.92 : 8,713,329.14 = 5,151,992.78 : x
  2. Step 2: Convert to fraction form
    6,315,557.92/8,713,329.14 = 5,151,992.78/x
  3. Step 3: Cross multiply
    6,315,557.92x = 8,713,329.14 × 5,151,992.78
  4. Step 4: Simplify right side
    6,315,557.92x = 44,891,008,819,043.62
  5. Step 5: Solve for x
    x = 44,891,008,819,043.62/6,315,557.92
  6. Step 6: Final answer
    x = 7,108,003.66

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1.5x scale

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.