Home / 13,033,728.72-17,987,386.38-7,232,510.46

Finding the Fourth Proportional to 13,033,728.72, 17,987,386.38 and 7,232,510.46

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Solution

The fourth proportional to 13,033,728.72, 17,987,386.38 and 7,232,510.46 is: 9,981,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,728.72 : 17,987,386.38 = 7,232,510.46 : x
  2. Step 2: Convert to fraction form
    13,033,728.72/17,987,386.38 = 7,232,510.46/x
  3. Step 3: Cross multiply
    13,033,728.72x = 17,987,386.38 × 7,232,510.46
  4. Step 4: Simplify right side
    13,033,728.72x = 130,093,960,141,411.53
  5. Step 5: Solve for x
    x = 130,093,960,141,411.53/13,033,728.72
  6. Step 6: Final answer
    x = 9,981,330.97

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1.5x scale

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.