Home / 7,944,400.80-10,961,822.40-5,190,355.44

Finding the Fourth Proportional to 7,944,400.80, 10,961,822.40 and 5,190,355.44

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Solution

The fourth proportional to 7,944,400.80, 10,961,822.40 and 5,190,355.44 is: 7,161,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944,400.80 : 10,961,822.40 = 5,190,355.44 : x
  2. Step 2: Convert to fraction form
    7,944,400.80/10,961,822.40 = 5,190,355.44/x
  3. Step 3: Cross multiply
    7,944,400.80x = 10,961,822.40 × 5,190,355.44
  4. Step 4: Simplify right side
    7,944,400.80x = 56,895,754,526,153.86
  5. Step 5: Solve for x
    x = 56,895,754,526,153.86/7,944,400.80
  6. Step 6: Final answer
    x = 7,161,742.71

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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.