Home / 18,134,878.20-27,202,317.30-12,395,315.40

Finding the Fourth Proportional to 18,134,878.20, 27,202,317.30 and 12,395,315.40

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Solution

The fourth proportional to 18,134,878.20, 27,202,317.30 and 12,395,315.40 is: 18,592,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,878.20 : 27,202,317.30 = 12,395,315.40 : x
  2. Step 2: Convert to fraction form
    18,134,878.20/27,202,317.30 = 12,395,315.40/x
  3. Step 3: Cross multiply
    18,134,878.20x = 27,202,317.30 × 12,395,315.40
  4. Step 4: Simplify right side
    18,134,878.20x = 337,181,302,544,376.44
  5. Step 5: Solve for x
    x = 337,181,302,544,376.44/18,134,878.20
  6. Step 6: Final answer
    x = 18,592,973.10

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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.