Home / 7,289,645.74-10,059,686.18-4,192,022.86

Finding the Fourth Proportional to 7,289,645.74, 10,059,686.18 and 4,192,022.86

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Solution

The fourth proportional to 7,289,645.74, 10,059,686.18 and 4,192,022.86 is: 5,784,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289,645.74 : 10,059,686.18 = 4,192,022.86 : x
  2. Step 2: Convert to fraction form
    7,289,645.74/10,059,686.18 = 4,192,022.86/x
  3. Step 3: Cross multiply
    7,289,645.74x = 10,059,686.18 × 4,192,022.86
  4. Step 4: Simplify right side
    7,289,645.74x = 42,170,434,384,876.75
  5. Step 5: Solve for x
    x = 42,170,434,384,876.75/7,289,645.74
  6. Step 6: Final answer
    x = 5,784,977.20

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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.