Home / 25,337,645.99-38,009,458.35-18,988,254.65

Finding the Fourth Proportional to 25,337,645.99, 38,009,458.35 and 18,988,254.65

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Solution

The fourth proportional to 25,337,645.99, 38,009,458.35 and 18,988,254.65 is: 28,484,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337,645.99 : 38,009,458.35 = 18,988,254.65 : x
  2. Step 2: Convert to fraction form
    25,337,645.99/38,009,458.35 = 18,988,254.65/x
  3. Step 3: Cross multiply
    25,337,645.99x = 38,009,458.35 × 18,988,254.65
  4. Step 4: Simplify right side
    25,337,645.99x = 721,733,274,086,175.38
  5. Step 5: Solve for x
    x = 721,733,274,086,175.38/25,337,645.99
  6. Step 6: Final answer
    x = 28,484,622.22

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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.