Home / 31,617,139.52-43,614,822.12-19,231,021.28

Finding the Fourth Proportional to 31,617,139.52, 43,614,822.12 and 19,231,021.28

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Solution

The fourth proportional to 31,617,139.52, 43,614,822.12 and 19,231,021.28 is: 26,528,572.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617,139.52 : 43,614,822.12 = 19,231,021.28 : x
  2. Step 2: Convert to fraction form
    31,617,139.52/43,614,822.12 = 19,231,021.28/x
  3. Step 3: Cross multiply
    31,617,139.52x = 43,614,822.12 × 19,231,021.28
  4. Step 4: Simplify right side
    31,617,139.52x = 838,757,572,313,134.75
  5. Step 5: Solve for x
    x = 838,757,572,313,134.75/31,617,139.52
  6. Step 6: Final answer
    x = 26,528,572.32

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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.