Home / 20,227,328.40-30,340,992.60-20,101,357.20

Finding the Fourth Proportional to 20,227,328.40, 30,340,992.60 and 20,101,357.20

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Solution

The fourth proportional to 20,227,328.40, 30,340,992.60 and 20,101,357.20 is: 30,152,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,328.40 : 30,340,992.60 = 20,101,357.20 : x
  2. Step 2: Convert to fraction form
    20,227,328.40/30,340,992.60 = 20,101,357.20/x
  3. Step 3: Cross multiply
    20,227,328.40x = 30,340,992.60 × 20,101,357.20
  4. Step 4: Simplify right side
    20,227,328.40x = 609,895,130,055,156.75
  5. Step 5: Solve for x
    x = 609,895,130,055,156.75/20,227,328.40
  6. Step 6: Final answer
    x = 30,152,035.80

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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.