Home / 38,146,600.92-57,221,880.60-12,589,603.22

Finding the Fourth Proportional to 38,146,600.92, 57,221,880.60 and 12,589,603.22

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Solution

The fourth proportional to 38,146,600.92, 57,221,880.60 and 12,589,603.22 is: 18,885,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146,600.92 : 57,221,880.60 = 12,589,603.22 : x
  2. Step 2: Convert to fraction form
    38,146,600.92/57,221,880.60 = 12,589,603.22/x
  3. Step 3: Cross multiply
    38,146,600.92x = 57,221,880.60 × 12,589,603.22
  4. Step 4: Simplify right side
    38,146,600.92x = 720,400,772,256,215.62
  5. Step 5: Solve for x
    x = 720,400,772,256,215.62/38,146,600.92
  6. Step 6: Final answer
    x = 18,885,058.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.