Home / 7,118,508.47-9,823,538.60-3,855,323.36

Finding the Fourth Proportional to 7,118,508.47, 9,823,538.60 and 3,855,323.36

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Solution

The fourth proportional to 7,118,508.47, 9,823,538.60 and 3,855,323.36 is: 5,320,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,508.47 : 9,823,538.60 = 3,855,323.36 : x
  2. Step 2: Convert to fraction form
    7,118,508.47/9,823,538.60 = 3,855,323.36/x
  3. Step 3: Cross multiply
    7,118,508.47x = 9,823,538.60 × 3,855,323.36
  4. Step 4: Simplify right side
    7,118,508.47x = 37,872,917,842,441.70
  5. Step 5: Solve for x
    x = 37,872,917,842,441.70/7,118,508.47
  6. Step 6: Final answer
    x = 5,320,344.56

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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.