Home / 30,959,576.57-42,724,243-17,021,168.81

Finding the Fourth Proportional to 30,959,576.57, 42,724,243 and 17,021,168.81

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Solution

The fourth proportional to 30,959,576.57, 42,724,243 and 17,021,168.81 is: 23,489,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959,576.57 : 42,724,243 = 17,021,168.81 : x
  2. Step 2: Convert to fraction form
    30,959,576.57/42,724,243 = 17,021,168.81/x
  3. Step 3: Cross multiply
    30,959,576.57x = 42,724,243 × 17,021,168.81
  4. Step 4: Simplify right side
    30,959,576.57x = 727,216,552,382,460.75
  5. Step 5: Solve for x
    x = 727,216,552,382,460.75/30,959,576.57
  6. Step 6: Final answer
    x = 23,489,227.99

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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.