Home / 19,639,181.38-27,105,368.30-11,384,407.28

Finding the Fourth Proportional to 19,639,181.38, 27,105,368.30 and 11,384,407.28

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Solution

The fourth proportional to 19,639,181.38, 27,105,368.30 and 11,384,407.28 is: 15,712,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639,181.38 : 27,105,368.30 = 11,384,407.28 : x
  2. Step 2: Convert to fraction form
    19,639,181.38/27,105,368.30 = 11,384,407.28/x
  3. Step 3: Cross multiply
    19,639,181.38x = 27,105,368.30 × 11,384,407.28
  4. Step 4: Simplify right side
    19,639,181.38x = 308,578,552,212,442.62
  5. Step 5: Solve for x
    x = 308,578,552,212,442.62/19,639,181.38
  6. Step 6: Final answer
    x = 15,712,393.83

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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.