Home / 20,156,018.80-30,234,028.20-11,054,599.60

Finding the Fourth Proportional to 20,156,018.80, 30,234,028.20 and 11,054,599.60

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Solution

The fourth proportional to 20,156,018.80, 30,234,028.20 and 11,054,599.60 is: 16,581,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,018.80 : 30,234,028.20 = 11,054,599.60 : x
  2. Step 2: Convert to fraction form
    20,156,018.80/30,234,028.20 = 11,054,599.60/x
  3. Step 3: Cross multiply
    20,156,018.80x = 30,234,028.20 × 11,054,599.60
  4. Step 4: Simplify right side
    20,156,018.80x = 334,225,076,046,108.69
  5. Step 5: Solve for x
    x = 334,225,076,046,108.69/20,156,018.80
  6. Step 6: Final answer
    x = 16,581,899.40

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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.