Home / 6,957,718.40-10,420,831.20-4,406,801.60

Finding the Fourth Proportional to 6,957,718.40, 10,420,831.20 and 4,406,801.60

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Solution

The fourth proportional to 6,957,718.40, 10,420,831.20 and 4,406,801.60 is: 6,600,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957,718.40 : 10,420,831.20 = 4,406,801.60 : x
  2. Step 2: Convert to fraction form
    6,957,718.40/10,420,831.20 = 4,406,801.60/x
  3. Step 3: Cross multiply
    6,957,718.40x = 10,420,831.20 × 4,406,801.60
  4. Step 4: Simplify right side
    6,957,718.40x = 45,922,535,605,489.91
  5. Step 5: Solve for x
    x = 45,922,535,605,489.91/6,957,718.40
  6. Step 6: Final answer
    x = 6,600,229.12

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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.