Home / 21,761,240.15-32,640,678.97-6,613,990.67

Finding the Fourth Proportional to 21,761,240.15, 32,640,678.97 and 6,613,990.67

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Solution

The fourth proportional to 21,761,240.15, 32,640,678.97 and 6,613,990.67 is: 9,920,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761,240.15 : 32,640,678.97 = 6,613,990.67 : x
  2. Step 2: Convert to fraction form
    21,761,240.15/32,640,678.97 = 6,613,990.67/x
  3. Step 3: Cross multiply
    21,761,240.15x = 32,640,678.97 × 6,613,990.67
  4. Step 4: Simplify right side
    21,761,240.15x = 215,885,146,235,111.94
  5. Step 5: Solve for x
    x = 215,885,146,235,111.94/21,761,240.15
  6. Step 6: Final answer
    x = 9,920,626.98

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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.