Home / 28,386,634.44-42,579,947.16-6,821,236.14

Finding the Fourth Proportional to 28,386,634.44, 42,579,947.16 and 6,821,236.14

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Solution

The fourth proportional to 28,386,634.44, 42,579,947.16 and 6,821,236.14 is: 10,231,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,386,634.44 : 42,579,947.16 = 6,821,236.14 : x
  2. Step 2: Convert to fraction form
    28,386,634.44/42,579,947.16 = 6,821,236.14/x
  3. Step 3: Cross multiply
    28,386,634.44x = 42,579,947.16 × 6,821,236.14
  4. Step 4: Simplify right side
    28,386,634.44x = 290,447,874,407,082.31
  5. Step 5: Solve for x
    x = 290,447,874,407,082.31/28,386,634.44
  6. Step 6: Final answer
    x = 10,231,853.13

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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.