Home / 17,130,286.17-23,639,977.80-9,289,812.78

Finding the Fourth Proportional to 17,130,286.17, 23,639,977.80 and 9,289,812.78

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Solution

The fourth proportional to 17,130,286.17, 23,639,977.80 and 9,289,812.78 is: 12,820,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130,286.17 : 23,639,977.80 = 9,289,812.78 : x
  2. Step 2: Convert to fraction form
    17,130,286.17/23,639,977.80 = 9,289,812.78/x
  3. Step 3: Cross multiply
    17,130,286.17x = 23,639,977.80 × 9,289,812.78
  4. Step 4: Simplify right side
    17,130,286.17x = 219,610,967,885,356.28
  5. Step 5: Solve for x
    x = 219,610,967,885,356.28/17,130,286.17
  6. Step 6: Final answer
    x = 12,820,040.82

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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.