Home / 28,700,218.20-43,050,488.00-7,134,819.11

Finding the Fourth Proportional to 28,700,218.20, 43,050,488.00 and 7,134,819.11

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Solution

The fourth proportional to 28,700,218.20, 43,050,488.00 and 7,134,819.11 is: 10,702,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700,218.20 : 43,050,488.00 = 7,134,819.11 : x
  2. Step 2: Convert to fraction form
    28,700,218.20/43,050,488.00 = 7,134,819.11/x
  3. Step 3: Cross multiply
    28,700,218.20x = 43,050,488.00 × 7,134,819.11
  4. Step 4: Simplify right side
    28,700,218.20x = 307,157,444,226,299.12
  5. Step 5: Solve for x
    x = 307,157,444,226,299.12/28,700,218.20
  6. Step 6: Final answer
    x = 10,702,268.61

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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.