Home / 13,906,401.60-20,868,933.60-8,220,590.40

Finding the Fourth Proportional to 13,906,401.60, 20,868,933.60 and 8,220,590.40

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Solution

The fourth proportional to 13,906,401.60, 20,868,933.60 and 8,220,590.40 is: 12,336,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,401.60 : 20,868,933.60 = 8,220,590.40 : x
  2. Step 2: Convert to fraction form
    13,906,401.60/20,868,933.60 = 8,220,590.40/x
  3. Step 3: Cross multiply
    13,906,401.60x = 20,868,933.60 × 8,220,590.40
  4. Step 4: Simplify right side
    13,906,401.60x = 171,554,955,210,397.47
  5. Step 5: Solve for x
    x = 171,554,955,210,397.47/13,906,401.60
  6. Step 6: Final answer
    x = 12,336,401.62

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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.