Home / 13,488,040.48-20,211,376.56-9,164,584.48

Finding the Fourth Proportional to 13,488,040.48, 20,211,376.56 and 9,164,584.48

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Solution

The fourth proportional to 13,488,040.48, 20,211,376.56 and 9,164,584.48 is: 13,732,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,040.48 : 20,211,376.56 = 9,164,584.48 : x
  2. Step 2: Convert to fraction form
    13,488,040.48/20,211,376.56 = 9,164,584.48/x
  3. Step 3: Cross multiply
    13,488,040.48x = 20,211,376.56 × 9,164,584.48
  4. Step 4: Simplify right side
    13,488,040.48x = 185,228,867,941,211.78
  5. Step 5: Solve for x
    x = 185,228,867,941,211.78/13,488,040.48
  6. Step 6: Final answer
    x = 13,732,822.66

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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.