Home / 10,403,578.05-15,588,325.78-5,540,721.58

Finding the Fourth Proportional to 10,403,578.05, 15,588,325.78 and 5,540,721.58

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Solution

The fourth proportional to 10,403,578.05, 15,588,325.78 and 5,540,721.58 is: 8,302,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,578.05 : 15,588,325.78 = 5,540,721.58 : x
  2. Step 2: Convert to fraction form
    10,403,578.05/15,588,325.78 = 5,540,721.58/x
  3. Step 3: Cross multiply
    10,403,578.05x = 15,588,325.78 × 5,540,721.58
  4. Step 4: Simplify right side
    10,403,578.05x = 86,370,573,050,949.94
  5. Step 5: Solve for x
    x = 86,370,573,050,949.94/10,403,578.05
  6. Step 6: Final answer
    x = 8,302,006.55

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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.