Home / 30,247,221.56-45,370,763.06-12,964,215.82

Finding the Fourth Proportional to 30,247,221.56, 45,370,763.06 and 12,964,215.82

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Solution

The fourth proportional to 30,247,221.56, 45,370,763.06 and 12,964,215.82 is: 19,446,294.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247,221.56 : 45,370,763.06 = 12,964,215.82 : x
  2. Step 2: Convert to fraction form
    30,247,221.56/45,370,763.06 = 12,964,215.82/x
  3. Step 3: Cross multiply
    30,247,221.56x = 45,370,763.06 × 12,964,215.82
  4. Step 4: Simplify right side
    30,247,221.56x = 588,196,364,227,923.62
  5. Step 5: Solve for x
    x = 588,196,364,227,923.62/30,247,221.56
  6. Step 6: Final answer
    x = 19,446,294.04

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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.