Home / 18,452,060.20-27,678,090.30-7,092,879.40

Finding the Fourth Proportional to 18,452,060.20, 27,678,090.30 and 7,092,879.40

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Solution

The fourth proportional to 18,452,060.20, 27,678,090.30 and 7,092,879.40 is: 10,639,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,060.20 : 27,678,090.30 = 7,092,879.40 : x
  2. Step 2: Convert to fraction form
    18,452,060.20/27,678,090.30 = 7,092,879.40/x
  3. Step 3: Cross multiply
    18,452,060.20x = 27,678,090.30 × 7,092,879.40
  4. Step 4: Simplify right side
    18,452,060.20x = 196,317,356,520,209.84
  5. Step 5: Solve for x
    x = 196,317,356,520,209.84/18,452,060.20
  6. Step 6: Final answer
    x = 10,639,319.10

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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.