Home / 9,341,819.27-12,891,718.62-5,211,851.05

Finding the Fourth Proportional to 9,341,819.27, 12,891,718.62 and 5,211,851.05

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Solution

The fourth proportional to 9,341,819.27, 12,891,718.62 and 5,211,851.05 is: 7,192,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,819.27 : 12,891,718.62 = 5,211,851.05 : x
  2. Step 2: Convert to fraction form
    9,341,819.27/12,891,718.62 = 5,211,851.05/x
  3. Step 3: Cross multiply
    9,341,819.27x = 12,891,718.62 × 5,211,851.05
  4. Step 4: Simplify right side
    9,341,819.27x = 67,189,717,174,177.82
  5. Step 5: Solve for x
    x = 67,189,717,174,177.82/9,341,819.27
  6. Step 6: Final answer
    x = 7,192,358.92

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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.