Home / 18,714,848.20-28,072,272.30-18,462,905.80

Finding the Fourth Proportional to 18,714,848.20, 28,072,272.30 and 18,462,905.80

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Solution

The fourth proportional to 18,714,848.20, 28,072,272.30 and 18,462,905.80 is: 27,694,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714,848.20 : 28,072,272.30 = 18,462,905.80 : x
  2. Step 2: Convert to fraction form
    18,714,848.20/28,072,272.30 = 18,462,905.80/x
  3. Step 3: Cross multiply
    18,714,848.20x = 28,072,272.30 × 18,462,905.80
  4. Step 4: Simplify right side
    18,714,848.20x = 518,295,719,066,849.38
  5. Step 5: Solve for x
    x = 518,295,719,066,849.38/18,714,848.20
  6. Step 6: Final answer
    x = 27,694,358.70

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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.