Home / 39,636,824.50-54,698,705.95-21,998,390.20

Finding the Fourth Proportional to 39,636,824.50, 54,698,705.95 and 21,998,390.20

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Solution

The fourth proportional to 39,636,824.50, 54,698,705.95 and 21,998,390.20 is: 30,357,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636,824.50 : 54,698,705.95 = 21,998,390.20 : x
  2. Step 2: Convert to fraction form
    39,636,824.50/54,698,705.95 = 21,998,390.20/x
  3. Step 3: Cross multiply
    39,636,824.50x = 54,698,705.95 × 21,998,390.20
  4. Step 4: Simplify right side
    39,636,824.50x = 1,203,283,476,923,161.75
  5. Step 5: Solve for x
    x = 1,203,283,476,923,161.75/39,636,824.50
  6. Step 6: Final answer
    x = 30,357,716.39

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Double scale
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1.5x scale

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.