Home / 26,066,216.40-39,113,321.40-10,921,678.80

Finding the Fourth Proportional to 26,066,216.40, 39,113,321.40 and 10,921,678.80

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Solution

The fourth proportional to 26,066,216.40, 39,113,321.40 and 10,921,678.80 is: 16,388,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,066,216.40 : 39,113,321.40 = 10,921,678.80 : x
  2. Step 2: Convert to fraction form
    26,066,216.40/39,113,321.40 = 10,921,678.80/x
  3. Step 3: Cross multiply
    26,066,216.40x = 39,113,321.40 × 10,921,678.80
  4. Step 4: Simplify right side
    26,066,216.40x = 427,183,133,131,966.31
  5. Step 5: Solve for x
    x = 427,183,133,131,966.31/26,066,216.40
  6. Step 6: Final answer
    x = 16,388,382.82

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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.