Home / 19,640,419.50-27,105,898.28-10,820,772.02

Finding the Fourth Proportional to 19,640,419.50, 27,105,898.28 and 10,820,772.02

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Solution

The fourth proportional to 19,640,419.50, 27,105,898.28 and 10,820,772.02 is: 14,933,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640,419.50 : 27,105,898.28 = 10,820,772.02 : x
  2. Step 2: Convert to fraction form
    19,640,419.50/27,105,898.28 = 10,820,772.02/x
  3. Step 3: Cross multiply
    19,640,419.50x = 27,105,898.28 × 10,820,772.02
  4. Step 4: Simplify right side
    19,640,419.50x = 293,306,745,685,190.12
  5. Step 5: Solve for x
    x = 293,306,745,685,190.12/19,640,419.50
  6. Step 6: Final answer
    x = 14,933,833.04

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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.