Home / 10,428,138.66-15,622,031.52-5,865,324.03

Finding the Fourth Proportional to 10,428,138.66, 15,622,031.52 and 5,865,324.03

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Solution

The fourth proportional to 10,428,138.66, 15,622,031.52 and 5,865,324.03 is: 8,786,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,138.66 : 15,622,031.52 = 5,865,324.03 : x
  2. Step 2: Convert to fraction form
    10,428,138.66/15,622,031.52 = 5,865,324.03/x
  3. Step 3: Cross multiply
    10,428,138.66x = 15,622,031.52 × 5,865,324.03
  4. Step 4: Simplify right side
    10,428,138.66x = 91,628,276,871,673.42
  5. Step 5: Solve for x
    x = 91,628,276,871,673.42/10,428,138.66
  6. Step 6: Final answer
    x = 8,786,637.76

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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.