Home / 19,883,731.24-27,439,287.78-11,181,901.24

Finding the Fourth Proportional to 19,883,731.24, 27,439,287.78 and 11,181,901.24

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Solution

The fourth proportional to 19,883,731.24, 27,439,287.78 and 11,181,901.24 is: 15,430,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883,731.24 : 27,439,287.78 = 11,181,901.24 : x
  2. Step 2: Convert to fraction form
    19,883,731.24/27,439,287.78 = 11,181,901.24/x
  3. Step 3: Cross multiply
    19,883,731.24x = 27,439,287.78 × 11,181,901.24
  4. Step 4: Simplify right side
    19,883,731.24x = 306,823,406,051,898.88
  5. Step 5: Solve for x
    x = 306,823,406,051,898.88/19,883,731.24
  6. Step 6: Final answer
    x = 15,430,876.75

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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.