Home / 10,388,747.07-15,583,120.74-2,815,712.82

Finding the Fourth Proportional to 10,388,747.07, 15,583,120.74 and 2,815,712.82

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Solution

The fourth proportional to 10,388,747.07, 15,583,120.74 and 2,815,712.82 is: 4,223,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,747.07 : 15,583,120.74 = 2,815,712.82 : x
  2. Step 2: Convert to fraction form
    10,388,747.07/15,583,120.74 = 2,815,712.82/x
  3. Step 3: Cross multiply
    10,388,747.07x = 15,583,120.74 × 2,815,712.82
  4. Step 4: Simplify right side
    10,388,747.07x = 43,877,592,843,225.88
  5. Step 5: Solve for x
    x = 43,877,592,843,225.88/10,388,747.07
  6. Step 6: Final answer
    x = 4,223,569.27

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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.