Home / 25,621,910.40-38,376,878.40-19,897,219.20

Finding the Fourth Proportional to 25,621,910.40, 38,376,878.40 and 19,897,219.20

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Solution

The fourth proportional to 25,621,910.40, 38,376,878.40 and 19,897,219.20 is: 29,802,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621,910.40 : 38,376,878.40 = 19,897,219.20 : x
  2. Step 2: Convert to fraction form
    25,621,910.40/38,376,878.40 = 19,897,219.20/x
  3. Step 3: Cross multiply
    25,621,910.40x = 38,376,878.40 × 19,897,219.20
  4. Step 4: Simplify right side
    25,621,910.40x = 763,593,161,736,545.25
  5. Step 5: Solve for x
    x = 763,593,161,736,545.25/25,621,910.40
  6. Step 6: Final answer
    x = 29,802,350.79

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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.