Home / 7,188,001.60-9,919,367.04-3,924,806.80

Finding the Fourth Proportional to 7,188,001.60, 9,919,367.04 and 3,924,806.80

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Solution

The fourth proportional to 7,188,001.60, 9,919,367.04 and 3,924,806.80 is: 5,416,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,001.60 : 9,919,367.04 = 3,924,806.80 : x
  2. Step 2: Convert to fraction form
    7,188,001.60/9,919,367.04 = 3,924,806.80/x
  3. Step 3: Cross multiply
    7,188,001.60x = 9,919,367.04 × 3,924,806.80
  4. Step 4: Simplify right side
    7,188,001.60x = 38,931,599,210,287.87
  5. Step 5: Solve for x
    x = 38,931,599,210,287.87/7,188,001.60
  6. Step 6: Final answer
    x = 5,416,192.34

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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.