Home / 19,885,154.14-27,438,305.39-11,182,807.77

Finding the Fourth Proportional to 19,885,154.14, 27,438,305.39 and 11,182,807.77

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Solution

The fourth proportional to 19,885,154.14, 27,438,305.39 and 11,182,807.77 is: 15,430,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,154.14 : 27,438,305.39 = 11,182,807.77 : x
  2. Step 2: Convert to fraction form
    19,885,154.14/27,438,305.39 = 11,182,807.77/x
  3. Step 3: Cross multiply
    19,885,154.14x = 27,438,305.39 × 11,182,807.77
  4. Step 4: Simplify right side
    19,885,154.14x = 306,837,294,517,819.38
  5. Step 5: Solve for x
    x = 306,837,294,517,819.38/19,885,154.14
  6. Step 6: Final answer
    x = 15,430,471.01

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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.