Home / 10,467,256.66-15,700,890.45-3,988,821.38

Finding the Fourth Proportional to 10,467,256.66, 15,700,890.45 and 3,988,821.38

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Solution

The fourth proportional to 10,467,256.66, 15,700,890.45 and 3,988,821.38 is: 5,983,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467,256.66 : 15,700,890.45 = 3,988,821.38 : x
  2. Step 2: Convert to fraction form
    10,467,256.66/15,700,890.45 = 3,988,821.38/x
  3. Step 3: Cross multiply
    10,467,256.66x = 15,700,890.45 × 3,988,821.38
  4. Step 4: Simplify right side
    10,467,256.66x = 62,628,047,448,451.45
  5. Step 5: Solve for x
    x = 62,628,047,448,451.45/10,467,256.66
  6. Step 6: Final answer
    x = 5,983,234.15

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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.