Home / 18,928,612.20-28,392,918.30-11,370,340.20

Finding the Fourth Proportional to 18,928,612.20, 28,392,918.30 and 11,370,340.20

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Solution

The fourth proportional to 18,928,612.20, 28,392,918.30 and 11,370,340.20 is: 17,055,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928,612.20 : 28,392,918.30 = 11,370,340.20 : x
  2. Step 2: Convert to fraction form
    18,928,612.20/28,392,918.30 = 11,370,340.20/x
  3. Step 3: Cross multiply
    18,928,612.20x = 28,392,918.30 × 11,370,340.20
  4. Step 4: Simplify right side
    18,928,612.20x = 322,837,140,341,805.62
  5. Step 5: Solve for x
    x = 322,837,140,341,805.62/18,928,612.20
  6. Step 6: Final answer
    x = 17,055,510.30

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.