Home / 20,105,313.27-27,754,969.17-12,376,980.15

Finding the Fourth Proportional to 20,105,313.27, 27,754,969.17 and 12,376,980.15

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Solution

The fourth proportional to 20,105,313.27, 27,754,969.17 and 12,376,980.15 is: 17,086,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105,313.27 : 27,754,969.17 = 12,376,980.15 : x
  2. Step 2: Convert to fraction form
    20,105,313.27/27,754,969.17 = 12,376,980.15/x
  3. Step 3: Cross multiply
    20,105,313.27x = 27,754,969.17 × 12,376,980.15
  4. Step 4: Simplify right side
    20,105,313.27x = 343,522,702,480,952
  5. Step 5: Solve for x
    x = 343,522,702,480,952/20,105,313.27
  6. Step 6: Final answer
    x = 17,086,165.13

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1.5x scale

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.