Home / 19,201,633.66-28,802,479.64-7,842,082.28

Finding the Fourth Proportional to 19,201,633.66, 28,802,479.64 and 7,842,082.28

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Solution

The fourth proportional to 19,201,633.66, 28,802,479.64 and 7,842,082.28 is: 11,763,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,633.66 : 28,802,479.64 = 7,842,082.28 : x
  2. Step 2: Convert to fraction form
    19,201,633.66/28,802,479.64 = 7,842,082.28/x
  3. Step 3: Cross multiply
    19,201,633.66x = 28,802,479.64 × 7,842,082.28
  4. Step 4: Simplify right side
    19,201,633.66x = 225,871,415,165,694.38
  5. Step 5: Solve for x
    x = 225,871,415,165,694.38/19,201,633.66
  6. Step 6: Final answer
    x = 11,763,135.33

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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.