Home / 28,003,949.54-38,619,767.99-19,196,200.70

Finding the Fourth Proportional to 28,003,949.54, 38,619,767.99 and 19,196,200.70

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Solution

The fourth proportional to 28,003,949.54, 38,619,767.99 and 19,196,200.70 is: 26,473,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,949.54 : 38,619,767.99 = 19,196,200.70 : x
  2. Step 2: Convert to fraction form
    28,003,949.54/38,619,767.99 = 19,196,200.70/x
  3. Step 3: Cross multiply
    28,003,949.54x = 38,619,767.99 × 19,196,200.70
  4. Step 4: Simplify right side
    28,003,949.54x = 741,352,817,227,494.50
  5. Step 5: Solve for x
    x = 741,352,817,227,494.50/28,003,949.54
  6. Step 6: Final answer
    x = 26,473,152.16

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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.