Home / 28,134,633.80-42,201,950.70-8,966,793.80

Finding the Fourth Proportional to 28,134,633.80, 42,201,950.70 and 8,966,793.80

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Solution

The fourth proportional to 28,134,633.80, 42,201,950.70 and 8,966,793.80 is: 13,450,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,633.80 : 42,201,950.70 = 8,966,793.80 : x
  2. Step 2: Convert to fraction form
    28,134,633.80/42,201,950.70 = 8,966,793.80/x
  3. Step 3: Cross multiply
    28,134,633.80x = 42,201,950.70 × 8,966,793.80
  4. Step 4: Simplify right side
    28,134,633.80x = 378,416,189,884,665.69
  5. Step 5: Solve for x
    x = 378,416,189,884,665.69/28,134,633.80
  6. Step 6: Final answer
    x = 13,450,190.70

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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.