Home / 18,684,009.30-28,047,009.15-14,442,978.90

Finding the Fourth Proportional to 18,684,009.30, 28,047,009.15 and 14,442,978.90

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Solution

The fourth proportional to 18,684,009.30, 28,047,009.15 and 14,442,978.90 is: 21,680,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,009.30 : 28,047,009.15 = 14,442,978.90 : x
  2. Step 2: Convert to fraction form
    18,684,009.30/28,047,009.15 = 14,442,978.90/x
  3. Step 3: Cross multiply
    18,684,009.30x = 28,047,009.15 × 14,442,978.90
  4. Step 4: Simplify right side
    18,684,009.30x = 405,082,361,361,556.94
  5. Step 5: Solve for x
    x = 405,082,361,361,556.94/18,684,009.30
  6. Step 6: Final answer
    x = 21,680,697.91

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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.