Home / 18,442,873.40-27,664,310.10-9,939,817.40

Finding the Fourth Proportional to 18,442,873.40, 27,664,310.10 and 9,939,817.40

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Solution

The fourth proportional to 18,442,873.40, 27,664,310.10 and 9,939,817.40 is: 14,909,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442,873.40 : 27,664,310.10 = 9,939,817.40 : x
  2. Step 2: Convert to fraction form
    18,442,873.40/27,664,310.10 = 9,939,817.40/x
  3. Step 3: Cross multiply
    18,442,873.40x = 27,664,310.10 × 9,939,817.40
  4. Step 4: Simplify right side
    18,442,873.40x = 274,978,190,890,975.75
  5. Step 5: Solve for x
    x = 274,978,190,890,975.75/18,442,873.40
  6. Step 6: Final answer
    x = 14,909,726.10

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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.