Home / 27,890,999.10-41,836,498.65-19,387,943.10

Finding the Fourth Proportional to 27,890,999.10, 41,836,498.65 and 19,387,943.10

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Solution

The fourth proportional to 27,890,999.10, 41,836,498.65 and 19,387,943.10 is: 29,081,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890,999.10 : 41,836,498.65 = 19,387,943.10 : x
  2. Step 2: Convert to fraction form
    27,890,999.10/41,836,498.65 = 19,387,943.10/x
  3. Step 3: Cross multiply
    27,890,999.10x = 41,836,498.65 × 19,387,943.10
  4. Step 4: Simplify right side
    27,890,999.10x = 811,123,655,329,426.88
  5. Step 5: Solve for x
    x = 811,123,655,329,426.88/27,890,999.10
  6. Step 6: Final answer
    x = 29,081,914.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.