Home / 7,727,700.40-10,663,691.56-4,289,669.68

Finding the Fourth Proportional to 7,727,700.40, 10,663,691.56 and 4,289,669.68

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Solution

The fourth proportional to 7,727,700.40, 10,663,691.56 and 4,289,669.68 is: 5,919,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,700.40 : 10,663,691.56 = 4,289,669.68 : x
  2. Step 2: Convert to fraction form
    7,727,700.40/10,663,691.56 = 4,289,669.68/x
  3. Step 3: Cross multiply
    7,727,700.40x = 10,663,691.56 × 4,289,669.68
  4. Step 4: Simplify right side
    7,727,700.40x = 45,743,714,361,803.90
  5. Step 5: Solve for x
    x = 45,743,714,361,803.90/7,727,700.40
  6. Step 6: Final answer
    x = 5,919,447.18

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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.