Home / 26,448,083.80-39,672,125.70-18,721,850.20

Finding the Fourth Proportional to 26,448,083.80, 39,672,125.70 and 18,721,850.20

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Solution

The fourth proportional to 26,448,083.80, 39,672,125.70 and 18,721,850.20 is: 28,082,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448,083.80 : 39,672,125.70 = 18,721,850.20 : x
  2. Step 2: Convert to fraction form
    26,448,083.80/39,672,125.70 = 18,721,850.20/x
  3. Step 3: Cross multiply
    26,448,083.80x = 39,672,125.70 × 18,721,850.20
  4. Step 4: Simplify right side
    26,448,083.80x = 742,735,594,470,970.12
  5. Step 5: Solve for x
    x = 742,735,594,470,970.12/26,448,083.80
  6. Step 6: Final answer
    x = 28,082,775.30

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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.