Home / 13,033,727.72-17,987,385-7,232,509.46

Finding the Fourth Proportional to 13,033,727.72, 17,987,385 and 7,232,509.46

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Solution

The fourth proportional to 13,033,727.72, 17,987,385 and 7,232,509.46 is: 9,981,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,727.72 : 17,987,385 = 7,232,509.46 : x
  2. Step 2: Convert to fraction form
    13,033,727.72/17,987,385 = 7,232,509.46/x
  3. Step 3: Cross multiply
    13,033,727.72x = 17,987,385 × 7,232,509.46
  4. Step 4: Simplify right side
    13,033,727.72x = 130,093,932,083,225.17
  5. Step 5: Solve for x
    x = 130,093,932,083,225.17/13,033,727.72
  6. Step 6: Final answer
    x = 9,981,329.59

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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.