Home / 17,215,017.72-23,716,316.05-11,979,021.39

Finding the Fourth Proportional to 17,215,017.72, 23,716,316.05 and 11,979,021.39

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Solution

The fourth proportional to 17,215,017.72, 23,716,316.05 and 11,979,021.39 is: 16,502,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215,017.72 : 23,716,316.05 = 11,979,021.39 : x
  2. Step 2: Convert to fraction form
    17,215,017.72/23,716,316.05 = 11,979,021.39/x
  3. Step 3: Cross multiply
    17,215,017.72x = 23,716,316.05 × 11,979,021.39
  4. Step 4: Simplify right side
    17,215,017.72x = 284,098,257,254,950.31
  5. Step 5: Solve for x
    x = 284,098,257,254,950.31/17,215,017.72
  6. Step 6: Final answer
    x = 16,502,931.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.