Home / 39,228,697.70-54,136,100.81-21,589,631.17

Finding the Fourth Proportional to 39,228,697.70, 54,136,100.81 and 21,589,631.17

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Solution

The fourth proportional to 39,228,697.70, 54,136,100.81 and 21,589,631.17 is: 29,793,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,228,697.70 : 54,136,100.81 = 21,589,631.17 : x
  2. Step 2: Convert to fraction form
    39,228,697.70/54,136,100.81 = 21,589,631.17/x
  3. Step 3: Cross multiply
    39,228,697.70x = 54,136,100.81 × 21,589,631.17
  4. Step 4: Simplify right side
    39,228,697.70x = 1,168,778,449,388,472
  5. Step 5: Solve for x
    x = 1,168,778,449,388,472/39,228,697.70
  6. Step 6: Final answer
    x = 29,793,965.08

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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.