Home / 19,201,635.97-28,802,483.12-7,842,084.59

Finding the Fourth Proportional to 19,201,635.97, 28,802,483.12 and 7,842,084.59

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Solution

The fourth proportional to 19,201,635.97, 28,802,483.12 and 7,842,084.59 is: 11,763,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,635.97 : 28,802,483.12 = 7,842,084.59 : x
  2. Step 2: Convert to fraction form
    19,201,635.97/28,802,483.12 = 7,842,084.59/x
  3. Step 3: Cross multiply
    19,201,635.97x = 28,802,483.12 × 7,842,084.59
  4. Step 4: Simplify right side
    19,201,635.97x = 225,871,509,061,882.91
  5. Step 5: Solve for x
    x = 225,871,509,061,882.91/19,201,635.97
  6. Step 6: Final answer
    x = 11,763,138.80

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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.