Home / 38,839,860.96-53,598,744.81-21,436,206.24

Finding the Fourth Proportional to 38,839,860.96, 53,598,744.81 and 21,436,206.24

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Solution

The fourth proportional to 38,839,860.96, 53,598,744.81 and 21,436,206.24 is: 29,581,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839,860.96 : 53,598,744.81 = 21,436,206.24 : x
  2. Step 2: Convert to fraction form
    38,839,860.96/53,598,744.81 = 21,436,206.24/x
  3. Step 3: Cross multiply
    38,839,860.96x = 53,598,744.81 × 21,436,206.24
  4. Step 4: Simplify right side
    38,839,860.96x = 1,148,953,747,952,289.50
  5. Step 5: Solve for x
    x = 1,148,953,747,952,289.50/38,839,860.96
  6. Step 6: Final answer
    x = 29,581,819.28

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Double scale
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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.