Home / 10,366,571.18-15,549,856.77-7,138,067.10

Finding the Fourth Proportional to 10,366,571.18, 15,549,856.77 and 7,138,067.10

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Solution

The fourth proportional to 10,366,571.18, 15,549,856.77 and 7,138,067.10 is: 10,707,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,571.18 : 15,549,856.77 = 7,138,067.10 : x
  2. Step 2: Convert to fraction form
    10,366,571.18/15,549,856.77 = 7,138,067.10/x
  3. Step 3: Cross multiply
    10,366,571.18x = 15,549,856.77 × 7,138,067.10
  4. Step 4: Simplify right side
    10,366,571.18x = 110,995,921,019,649.27
  5. Step 5: Solve for x
    x = 110,995,921,019,649.27/10,366,571.18
  6. Step 6: Final answer
    x = 10,707,100.66

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Double scale
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1.5x scale

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.