Home / 39,450,298.50-54,436,696.97-21,806,817.69

Finding the Fourth Proportional to 39,450,298.50, 54,436,696.97 and 21,806,817.69

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Solution

The fourth proportional to 39,450,298.50, 54,436,696.97 and 21,806,817.69 is: 30,090,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,298.50 : 54,436,696.97 = 21,806,817.69 : x
  2. Step 2: Convert to fraction form
    39,450,298.50/54,436,696.97 = 21,806,817.69/x
  3. Step 3: Cross multiply
    39,450,298.50x = 54,436,696.97 × 21,806,817.69
  4. Step 4: Simplify right side
    39,450,298.50x = 1,187,091,126,470,565.50
  5. Step 5: Solve for x
    x = 1,187,091,126,470,565.50/39,450,298.50
  6. Step 6: Final answer
    x = 30,090,802.14

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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.