Home / 18,805,637.40-25,940,784.47-11,825,267.37

Finding the Fourth Proportional to 18,805,637.40, 25,940,784.47 and 11,825,267.37

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Solution

The fourth proportional to 18,805,637.40, 25,940,784.47 and 11,825,267.37 is: 16,311,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,637.40 : 25,940,784.47 = 11,825,267.37 : x
  2. Step 2: Convert to fraction form
    18,805,637.40/25,940,784.47 = 11,825,267.37/x
  3. Step 3: Cross multiply
    18,805,637.40x = 25,940,784.47 × 11,825,267.37
  4. Step 4: Simplify right side
    18,805,637.40x = 306,756,712,086,167.38
  5. Step 5: Solve for x
    x = 306,756,712,086,167.38/18,805,637.40
  6. Step 6: Final answer
    x = 16,311,955.06

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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.