Home / 27,485,145.60-41,227,718.40-19,422,988.80

Finding the Fourth Proportional to 27,485,145.60, 41,227,718.40 and 19,422,988.80

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Solution

The fourth proportional to 27,485,145.60, 41,227,718.40 and 19,422,988.80 is: 29,134,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485,145.60 : 41,227,718.40 = 19,422,988.80 : x
  2. Step 2: Convert to fraction form
    27,485,145.60/41,227,718.40 = 19,422,988.80/x
  3. Step 3: Cross multiply
    27,485,145.60x = 41,227,718.40 × 19,422,988.80
  4. Step 4: Simplify right side
    27,485,145.60x = 800,765,512,732,753.88
  5. Step 5: Solve for x
    x = 800,765,512,732,753.88/27,485,145.60
  6. Step 6: Final answer
    x = 29,134,483.20

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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.