Home / 9,621,868.38-13,278,139.29-5,270,948.52

Finding the Fourth Proportional to 9,621,868.38, 13,278,139.29 and 5,270,948.52

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Solution

The fourth proportional to 9,621,868.38, 13,278,139.29 and 5,270,948.52 is: 7,273,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,868.38 : 13,278,139.29 = 5,270,948.52 : x
  2. Step 2: Convert to fraction form
    9,621,868.38/13,278,139.29 = 5,270,948.52/x
  3. Step 3: Cross multiply
    9,621,868.38x = 13,278,139.29 × 5,270,948.52
  4. Step 4: Simplify right side
    9,621,868.38x = 69,988,388,638,979.34
  5. Step 5: Solve for x
    x = 69,988,388,638,979.34/9,621,868.38
  6. Step 6: Final answer
    x = 7,273,887.55

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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.