Home / 15,301,497.75-21,116,066.90-8,425,963.41

Finding the Fourth Proportional to 15,301,497.75, 21,116,066.90 and 8,425,963.41

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Solution

The fourth proportional to 15,301,497.75, 21,116,066.90 and 8,425,963.41 is: 11,627,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301,497.75 : 21,116,066.90 = 8,425,963.41 : x
  2. Step 2: Convert to fraction form
    15,301,497.75/21,116,066.90 = 8,425,963.41/x
  3. Step 3: Cross multiply
    15,301,497.75x = 21,116,066.90 × 8,425,963.41
  4. Step 4: Simplify right side
    15,301,497.75x = 177,923,207,020,382.31
  5. Step 5: Solve for x
    x = 177,923,207,020,382.31/15,301,497.75
  6. Step 6: Final answer
    x = 11,627,829.51

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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.