Home / 13,033,729.72-17,987,387.76-7,232,511.46

Finding the Fourth Proportional to 13,033,729.72, 17,987,387.76 and 7,232,511.46

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Solution

The fourth proportional to 13,033,729.72, 17,987,387.76 and 7,232,511.46 is: 9,981,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,729.72 : 17,987,387.76 = 7,232,511.46 : x
  2. Step 2: Convert to fraction form
    13,033,729.72/17,987,387.76 = 7,232,511.46/x
  3. Step 3: Cross multiply
    13,033,729.72x = 17,987,387.76 × 7,232,511.46
  4. Step 4: Simplify right side
    13,033,729.72x = 130,093,988,109,663.73
  5. Step 5: Solve for x
    x = 130,093,988,109,663.73/13,033,729.72
  6. Step 6: Final answer
    x = 9,981,332.35

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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.