Home / 13,883,340.88-20,824,402.20-3,785,928.40

Finding the Fourth Proportional to 13,883,340.88, 20,824,402.20 and 3,785,928.40

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Solution

The fourth proportional to 13,883,340.88, 20,824,402.20 and 3,785,928.40 is: 5,678,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,340.88 : 20,824,402.20 = 3,785,928.40 : x
  2. Step 2: Convert to fraction form
    13,883,340.88/20,824,402.20 = 3,785,928.40/x
  3. Step 3: Cross multiply
    13,883,340.88x = 20,824,402.20 × 3,785,928.40
  4. Step 4: Simplify right side
    13,883,340.88x = 78,839,695,702,002.47
  5. Step 5: Solve for x
    x = 78,839,695,702,002.47/13,883,340.88
  6. Step 6: Final answer
    x = 5,678,726.50

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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.