Home / 13,762,686.48-18,992,819.56-7,568,077.32

Finding the Fourth Proportional to 13,762,686.48, 18,992,819.56 and 7,568,077.32

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Solution

The fourth proportional to 13,762,686.48, 18,992,819.56 and 7,568,077.32 is: 10,444,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,686.48 : 18,992,819.56 = 7,568,077.32 : x
  2. Step 2: Convert to fraction form
    13,762,686.48/18,992,819.56 = 7,568,077.32/x
  3. Step 3: Cross multiply
    13,762,686.48x = 18,992,819.56 × 7,568,077.32
  4. Step 4: Simplify right side
    13,762,686.48x = 143,739,126,954,888.38
  5. Step 5: Solve for x
    x = 143,739,126,954,888.38/13,762,686.48
  6. Step 6: Final answer
    x = 10,444,118.39

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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.