Home / 7,118,831.24-9,816,115.30-4,536,421.64

Finding the Fourth Proportional to 7,118,831.24, 9,816,115.30 and 4,536,421.64

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Solution

The fourth proportional to 7,118,831.24, 9,816,115.30 and 4,536,421.64 is: 6,255,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,831.24 : 9,816,115.30 = 4,536,421.64 : x
  2. Step 2: Convert to fraction form
    7,118,831.24/9,816,115.30 = 4,536,421.64/x
  3. Step 3: Cross multiply
    7,118,831.24x = 9,816,115.30 × 4,536,421.64
  4. Step 4: Simplify right side
    7,118,831.24x = 44,530,037,867,655.09
  5. Step 5: Solve for x
    x = 44,530,037,867,655.09/7,118,831.24
  6. Step 6: Final answer
    x = 6,255,245.61

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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.