Home / 20,984,484.14-31,477,849.78-6,608,671.57

Finding the Fourth Proportional to 20,984,484.14, 31,477,849.78 and 6,608,671.57

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Solution

The fourth proportional to 20,984,484.14, 31,477,849.78 and 6,608,671.57 is: 9,913,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984,484.14 : 31,477,849.78 = 6,608,671.57 : x
  2. Step 2: Convert to fraction form
    20,984,484.14/31,477,849.78 = 6,608,671.57/x
  3. Step 3: Cross multiply
    20,984,484.14x = 31,477,849.78 × 6,608,671.57
  4. Step 4: Simplify right side
    20,984,484.14x = 208,026,770,961,033.66
  5. Step 5: Solve for x
    x = 208,026,770,961,033.66/20,984,484.14
  6. Step 6: Final answer
    x = 9,913,361.20

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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.