Home / 10,239,388.32-15,359,964.48-2,666,367.84

Finding the Fourth Proportional to 10,239,388.32, 15,359,964.48 and 2,666,367.84

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Solution

The fourth proportional to 10,239,388.32, 15,359,964.48 and 2,666,367.84 is: 3,999,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,388.32 : 15,359,964.48 = 2,666,367.84 : x
  2. Step 2: Convert to fraction form
    10,239,388.32/15,359,964.48 = 2,666,367.84/x
  3. Step 3: Cross multiply
    10,239,388.32x = 15,359,964.48 × 2,666,367.84
  4. Step 4: Simplify right side
    10,239,388.32x = 40,955,315,313,014.32
  5. Step 5: Solve for x
    x = 40,955,315,313,014.32/10,239,388.32
  6. Step 6: Final answer
    x = 3,999,781.44

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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.