Home / 27,637,562.80-41,456,344.20-21,260,270.80

Finding the Fourth Proportional to 27,637,562.80, 41,456,344.20 and 21,260,270.80

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Solution

The fourth proportional to 27,637,562.80, 41,456,344.20 and 21,260,270.80 is: 31,890,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637,562.80 : 41,456,344.20 = 21,260,270.80 : x
  2. Step 2: Convert to fraction form
    27,637,562.80/41,456,344.20 = 21,260,270.80/x
  3. Step 3: Cross multiply
    27,637,562.80x = 41,456,344.20 × 21,260,270.80
  4. Step 4: Simplify right side
    27,637,562.80x = 881,373,104,070,009.50
  5. Step 5: Solve for x
    x = 881,373,104,070,009.50/27,637,562.80
  6. Step 6: Final answer
    x = 31,890,406.20

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Double scale
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Similar ratio
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1.5x scale

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.