Home / 18,682,216.40-28,024,199.40-5,903,721.20

Finding the Fourth Proportional to 18,682,216.40, 28,024,199.40 and 5,903,721.20

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Solution

The fourth proportional to 18,682,216.40, 28,024,199.40 and 5,903,721.20 is: 8,855,858.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,216.40 : 28,024,199.40 = 5,903,721.20 : x
  2. Step 2: Convert to fraction form
    18,682,216.40/28,024,199.40 = 5,903,721.20/x
  3. Step 3: Cross multiply
    18,682,216.40x = 28,024,199.40 × 5,903,721.20
  4. Step 4: Simplify right side
    18,682,216.40x = 165,447,060,110,807.28
  5. Step 5: Solve for x
    x = 165,447,060,110,807.28/18,682,216.40
  6. Step 6: Final answer
    x = 8,855,858.24

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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.