Home / 18,139,542.84-27,209,145.38-7,354,280.05

Finding the Fourth Proportional to 18,139,542.84, 27,209,145.38 and 7,354,280.05

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Solution

The fourth proportional to 18,139,542.84, 27,209,145.38 and 7,354,280.05 is: 11,031,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,542.84 : 27,209,145.38 = 7,354,280.05 : x
  2. Step 2: Convert to fraction form
    18,139,542.84/27,209,145.38 = 7,354,280.05/x
  3. Step 3: Cross multiply
    18,139,542.84x = 27,209,145.38 × 7,354,280.05
  4. Step 4: Simplify right side
    18,139,542.84x = 200,103,674,940,889.41
  5. Step 5: Solve for x
    x = 200,103,674,940,889.41/18,139,542.84
  6. Step 6: Final answer
    x = 11,031,351.60

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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.