Home / 18,714,009.20-28,068,389.40-5,935,805.60

Finding the Fourth Proportional to 18,714,009.20, 28,068,389.40 and 5,935,805.60

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Solution

The fourth proportional to 18,714,009.20, 28,068,389.40 and 5,935,805.60 is: 8,902,875.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,009.20 : 28,068,389.40 = 5,935,805.60 : x
  2. Step 2: Convert to fraction form
    18,714,009.20/28,068,389.40 = 5,935,805.60/x
  3. Step 3: Cross multiply
    18,714,009.20x = 28,068,389.40 × 5,935,805.60
  4. Step 4: Simplify right side
    18,714,009.20x = 166,608,502,983,500.62
  5. Step 5: Solve for x
    x = 166,608,502,983,500.62/18,714,009.20
  6. Step 6: Final answer
    x = 8,902,875.98

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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.