Home / 18,348,723.40-27,523,085.10-12,302,105.80

Finding the Fourth Proportional to 18,348,723.40, 27,523,085.10 and 12,302,105.80

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Solution

The fourth proportional to 18,348,723.40, 27,523,085.10 and 12,302,105.80 is: 18,453,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348,723.40 : 27,523,085.10 = 12,302,105.80 : x
  2. Step 2: Convert to fraction form
    18,348,723.40/27,523,085.10 = 12,302,105.80/x
  3. Step 3: Cross multiply
    18,348,723.40x = 27,523,085.10 × 12,302,105.80
  4. Step 4: Simplify right side
    18,348,723.40x = 338,591,904,842,603.62
  5. Step 5: Solve for x
    x = 338,591,904,842,603.62/18,348,723.40
  6. Step 6: Final answer
    x = 18,453,158.70

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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.