Home / 31,171,228.38-43,018,205.22-17,421,290.46

Finding the Fourth Proportional to 31,171,228.38, 43,018,205.22 and 17,421,290.46

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Solution

The fourth proportional to 31,171,228.38, 43,018,205.22 and 17,421,290.46 is: 24,042,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171,228.38 : 43,018,205.22 = 17,421,290.46 : x
  2. Step 2: Convert to fraction form
    31,171,228.38/43,018,205.22 = 17,421,290.46/x
  3. Step 3: Cross multiply
    31,171,228.38x = 43,018,205.22 × 17,421,290.46
  4. Step 4: Simplify right side
    31,171,228.38x = 749,432,648,205,508.25
  5. Step 5: Solve for x
    x = 749,432,648,205,508.25/31,171,228.38
  6. Step 6: Final answer
    x = 24,042,448.35

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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.