Home / 22,542,277.17-31,105,718.08-12,619,703.21

Finding the Fourth Proportional to 22,542,277.17, 31,105,718.08 and 12,619,703.21

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Solution

The fourth proportional to 22,542,277.17, 31,105,718.08 and 12,619,703.21 is: 17,413,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542,277.17 : 31,105,718.08 = 12,619,703.21 : x
  2. Step 2: Convert to fraction form
    22,542,277.17/31,105,718.08 = 12,619,703.21/x
  3. Step 3: Cross multiply
    22,542,277.17x = 31,105,718.08 × 12,619,703.21
  4. Step 4: Simplify right side
    22,542,277.17x = 392,544,930,116,453.19
  5. Step 5: Solve for x
    x = 392,544,930,116,453.19/22,542,277.17
  6. Step 6: Final answer
    x = 17,413,721.21

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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.