Home / 21,761,243.15-32,640,683.46-6,613,993.67

Finding the Fourth Proportional to 21,761,243.15, 32,640,683.46 and 6,613,993.67

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Solution

The fourth proportional to 21,761,243.15, 32,640,683.46 and 6,613,993.67 is: 9,920,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,243.15 : 32,640,683.46 = 6,613,993.67 : x
  2. Step 2: Convert to fraction form
    21,761,243.15/32,640,683.46 = 6,613,993.67/x
  3. Step 3: Cross multiply
    21,761,243.15x = 32,640,683.46 × 6,613,993.67
  4. Step 4: Simplify right side
    21,761,243.15x = 215,885,273,625,710.28
  5. Step 5: Solve for x
    x = 215,885,273,625,710.28/21,761,243.15
  6. Step 6: Final answer
    x = 9,920,631.47

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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.