Home / 10,078,382.88-13,907,569.08-5,726,865.24

Finding the Fourth Proportional to 10,078,382.88, 13,907,569.08 and 5,726,865.24

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Solution

The fourth proportional to 10,078,382.88, 13,907,569.08 and 5,726,865.24 is: 7,902,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,382.88 : 13,907,569.08 = 5,726,865.24 : x
  2. Step 2: Convert to fraction form
    10,078,382.88/13,907,569.08 = 5,726,865.24/x
  3. Step 3: Cross multiply
    10,078,382.88x = 13,907,569.08 × 5,726,865.24
  4. Step 4: Simplify right side
    10,078,382.88x = 79,646,773,937,150.78
  5. Step 5: Solve for x
    x = 79,646,773,937,150.78/10,078,382.88
  6. Step 6: Final answer
    x = 7,902,733.49

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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.