Home / 9,900,330-13,661,767.85-5,490,283.12

Finding the Fourth Proportional to 9,900,330, 13,661,767.85 and 5,490,283.12

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Solution

The fourth proportional to 9,900,330, 13,661,767.85 and 5,490,283.12 is: 7,576,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900,330 : 13,661,767.85 = 5,490,283.12 : x
  2. Step 2: Convert to fraction form
    9,900,330/13,661,767.85 = 5,490,283.12/x
  3. Step 3: Cross multiply
    9,900,330x = 13,661,767.85 × 5,490,283.12
  4. Step 4: Simplify right side
    9,900,330x = 75,006,973,416,213.69
  5. Step 5: Solve for x
    x = 75,006,973,416,213.69/9,900,330
  6. Step 6: Final answer
    x = 7,576,209.42

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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.