Home / 13,083,931.16-18,055,825.76-7,282,588.52

Finding the Fourth Proportional to 13,083,931.16, 18,055,825.76 and 7,282,588.52

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Solution

The fourth proportional to 13,083,931.16, 18,055,825.76 and 7,282,588.52 is: 10,049,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,931.16 : 18,055,825.76 = 7,282,588.52 : x
  2. Step 2: Convert to fraction form
    13,083,931.16/18,055,825.76 = 7,282,588.52/x
  3. Step 3: Cross multiply
    13,083,931.16x = 18,055,825.76 × 7,282,588.52
  4. Step 4: Simplify right side
    13,083,931.16x = 131,493,149,398,896.28
  5. Step 5: Solve for x
    x = 131,493,149,398,896.28/13,083,931.16
  6. Step 6: Final answer
    x = 10,049,972.58

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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.