Home / 10,015,650.81-15,018,424.25-7,135,371.81

Finding the Fourth Proportional to 10,015,650.81, 15,018,424.25 and 7,135,371.81

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Solution

The fourth proportional to 10,015,650.81, 15,018,424.25 and 7,135,371.81 is: 10,699,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015,650.81 : 15,018,424.25 = 7,135,371.81 : x
  2. Step 2: Convert to fraction form
    10,015,650.81/15,018,424.25 = 7,135,371.81/x
  3. Step 3: Cross multiply
    10,015,650.81x = 15,018,424.25 × 7,135,371.81
  4. Step 4: Simplify right side
    10,015,650.81x = 107,162,040,988,393.52
  5. Step 5: Solve for x
    x = 107,162,040,988,393.52/10,015,650.81
  6. Step 6: Final answer
    x = 10,699,458.58

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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.