Home / 18,388,686.33-25,376,387.03-10,658,212.67

Finding the Fourth Proportional to 18,388,686.33, 25,376,387.03 and 10,658,212.67

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Solution

The fourth proportional to 18,388,686.33, 25,376,387.03 and 10,658,212.67 is: 14,708,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,686.33 : 25,376,387.03 = 10,658,212.67 : x
  2. Step 2: Convert to fraction form
    18,388,686.33/25,376,387.03 = 10,658,212.67/x
  3. Step 3: Cross multiply
    18,388,686.33x = 25,376,387.03 × 10,658,212.67
  4. Step 4: Simplify right side
    18,388,686.33x = 270,466,929,761,969.69
  5. Step 5: Solve for x
    x = 270,466,929,761,969.69/18,388,686.33
  6. Step 6: Final answer
    x = 14,708,333.42

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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.