Home / 7,760,781.17-10,710,120.85-4,453,680.42

Finding the Fourth Proportional to 7,760,781.17, 10,710,120.85 and 4,453,680.42

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Solution

The fourth proportional to 7,760,781.17, 10,710,120.85 and 4,453,680.42 is: 6,146,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760,781.17 : 10,710,120.85 = 4,453,680.42 : x
  2. Step 2: Convert to fraction form
    7,760,781.17/10,710,120.85 = 4,453,680.42/x
  3. Step 3: Cross multiply
    7,760,781.17x = 10,710,120.85 × 4,453,680.42
  4. Step 4: Simplify right side
    7,760,781.17x = 47,699,455,505,993.91
  5. Step 5: Solve for x
    x = 47,699,455,505,993.91/7,760,781.17
  6. Step 6: Final answer
    x = 6,146,218.33

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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.