Home / 12,265,853.46-18,378,440.43-7,459,002.42

Finding the Fourth Proportional to 12,265,853.46, 18,378,440.43 and 7,459,002.42

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Solution

The fourth proportional to 12,265,853.46, 18,378,440.43 and 7,459,002.42 is: 11,176,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,853.46 : 18,378,440.43 = 7,459,002.42 : x
  2. Step 2: Convert to fraction form
    12,265,853.46/18,378,440.43 = 7,459,002.42/x
  3. Step 3: Cross multiply
    12,265,853.46x = 18,378,440.43 × 7,459,002.42
  4. Step 4: Simplify right side
    12,265,853.46x = 137,084,831,643,195.84
  5. Step 5: Solve for x
    x = 137,084,831,643,195.84/12,265,853.46
  6. Step 6: Final answer
    x = 11,176,134.79

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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.