Home / 13,332,887.46-18,400,880.13-7,532,042.86

Finding the Fourth Proportional to 13,332,887.46, 18,400,880.13 and 7,532,042.86

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Solution

The fourth proportional to 13,332,887.46, 18,400,880.13 and 7,532,042.86 is: 10,395,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,332,887.46 : 18,400,880.13 = 7,532,042.86 : x
  2. Step 2: Convert to fraction form
    13,332,887.46/18,400,880.13 = 7,532,042.86/x
  3. Step 3: Cross multiply
    13,332,887.46x = 18,400,880.13 × 7,532,042.86
  4. Step 4: Simplify right side
    13,332,887.46x = 138,596,217,923,880.16
  5. Step 5: Solve for x
    x = 138,596,217,923,880.16/13,332,887.46
  6. Step 6: Final answer
    x = 10,395,063.96

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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.