Home / 13,287,303.75-19,929,063.09-4,188,218.82

Finding the Fourth Proportional to 13,287,303.75, 19,929,063.09 and 4,188,218.82

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Solution

The fourth proportional to 13,287,303.75, 19,929,063.09 and 4,188,218.82 is: 6,281,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,303.75 : 19,929,063.09 = 4,188,218.82 : x
  2. Step 2: Convert to fraction form
    13,287,303.75/19,929,063.09 = 4,188,218.82/x
  3. Step 3: Cross multiply
    13,287,303.75x = 19,929,063.09 × 4,188,218.82
  4. Step 4: Simplify right side
    13,287,303.75x = 83,467,277,098,505.34
  5. Step 5: Solve for x
    x = 83,467,277,098,505.34/13,287,303.75
  6. Step 6: Final answer
    x = 6,281,731.69

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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.