Home / 27,646,283.38-38,151,887.47-15,423,140.38

Finding the Fourth Proportional to 27,646,283.38, 38,151,887.47 and 15,423,140.38

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Solution

The fourth proportional to 27,646,283.38, 38,151,887.47 and 15,423,140.38 is: 21,283,942.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646,283.38 : 38,151,887.47 = 15,423,140.38 : x
  2. Step 2: Convert to fraction form
    27,646,283.38/38,151,887.47 = 15,423,140.38/x
  3. Step 3: Cross multiply
    27,646,283.38x = 38,151,887.47 × 15,423,140.38
  4. Step 4: Simplify right side
    27,646,283.38x = 588,421,916,040,292.50
  5. Step 5: Solve for x
    x = 588,421,916,040,292.50/27,646,283.38
  6. Step 6: Final answer
    x = 21,283,942.87

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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.