Home / 13,772,040.40-20,633,177.40-11,781,384.40

Finding the Fourth Proportional to 13,772,040.40, 20,633,177.40 and 11,781,384.40

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Solution

The fourth proportional to 13,772,040.40, 20,633,177.40 and 11,781,384.40 is: 17,650,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,040.40 : 20,633,177.40 = 11,781,384.40 : x
  2. Step 2: Convert to fraction form
    13,772,040.40/20,633,177.40 = 11,781,384.40/x
  3. Step 3: Cross multiply
    13,772,040.40x = 20,633,177.40 × 11,781,384.40
  4. Step 4: Simplify right side
    13,772,040.40x = 243,087,394,342,792.56
  5. Step 5: Solve for x
    x = 243,087,394,342,792.56/13,772,040.40
  6. Step 6: Final answer
    x = 17,650,790.10

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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.