Home / 20,105,313.77-27,754,969.86-12,376,980.65

Finding the Fourth Proportional to 20,105,313.77, 27,754,969.86 and 12,376,980.65

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Solution

The fourth proportional to 20,105,313.77, 27,754,969.86 and 12,376,980.65 is: 17,086,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105,313.77 : 27,754,969.86 = 12,376,980.65 : x
  2. Step 2: Convert to fraction form
    20,105,313.77/27,754,969.86 = 12,376,980.65/x
  3. Step 3: Cross multiply
    20,105,313.77x = 27,754,969.86 × 12,376,980.65
  4. Step 4: Simplify right side
    20,105,313.77x = 343,522,724,898,553.19
  5. Step 5: Solve for x
    x = 343,522,724,898,553.19/20,105,313.77
  6. Step 6: Final answer
    x = 17,086,165.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.