Home / 31,007,574.78-42,790,035.51-17,256,535.26

Finding the Fourth Proportional to 31,007,574.78, 42,790,035.51 and 17,256,535.26

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Solution

The fourth proportional to 31,007,574.78, 42,790,035.51 and 17,256,535.26 is: 23,813,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,007,574.78 : 42,790,035.51 = 17,256,535.26 : x
  2. Step 2: Convert to fraction form
    31,007,574.78/42,790,035.51 = 17,256,535.26/x
  3. Step 3: Cross multiply
    31,007,574.78x = 42,790,035.51 × 17,256,535.26
  4. Step 4: Simplify right side
    31,007,574.78x = 738,407,756,554,967.12
  5. Step 5: Solve for x
    x = 738,407,756,554,967.12/31,007,574.78
  6. Step 6: Final answer
    x = 23,813,786.21

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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.