Home / 12,143,424.05-18,215,214.37-4,857,492.48

Finding the Fourth Proportional to 12,143,424.05, 18,215,214.37 and 4,857,492.48

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Solution

The fourth proportional to 12,143,424.05, 18,215,214.37 and 4,857,492.48 is: 7,286,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,424.05 : 18,215,214.37 = 4,857,492.48 : x
  2. Step 2: Convert to fraction form
    12,143,424.05/18,215,214.37 = 4,857,492.48/x
  3. Step 3: Cross multiply
    12,143,424.05x = 18,215,214.37 × 4,857,492.48
  4. Step 4: Simplify right side
    12,143,424.05x = 88,480,266,823,862.95
  5. Step 5: Solve for x
    x = 88,480,266,823,862.95/12,143,424.05
  6. Step 6: Final answer
    x = 7,286,270.04

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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.