Home / 26,245,646.40-39,368,469.60-17,679,604.80

Finding the Fourth Proportional to 26,245,646.40, 39,368,469.60 and 17,679,604.80

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Solution

The fourth proportional to 26,245,646.40, 39,368,469.60 and 17,679,604.80 is: 26,519,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,245,646.40 : 39,368,469.60 = 17,679,604.80 : x
  2. Step 2: Convert to fraction form
    26,245,646.40/39,368,469.60 = 17,679,604.80/x
  3. Step 3: Cross multiply
    26,245,646.40x = 39,368,469.60 × 17,679,604.80
  4. Step 4: Simplify right side
    26,245,646.40x = 696,018,984,108,814.12
  5. Step 5: Solve for x
    x = 696,018,984,108,814.12/26,245,646.40
  6. Step 6: Final answer
    x = 26,519,407.20

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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.