Home / 20,949,982.20-28,924,258.14-14,345,622.36

Finding the Fourth Proportional to 20,949,982.20, 28,924,258.14 and 14,345,622.36

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Solution

The fourth proportional to 20,949,982.20, 28,924,258.14 and 14,345,622.36 is: 19,806,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,949,982.20 : 28,924,258.14 = 14,345,622.36 : x
  2. Step 2: Convert to fraction form
    20,949,982.20/28,924,258.14 = 14,345,622.36/x
  3. Step 3: Cross multiply
    20,949,982.20x = 28,924,258.14 × 14,345,622.36
  4. Step 4: Simplify right side
    20,949,982.20x = 414,936,484,319,596
  5. Step 5: Solve for x
    x = 414,936,484,319,596/20,949,982.20
  6. Step 6: Final answer
    x = 19,806,054.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.