Home / 18,740,000.20-28,047,792.30-13,607,840.20

Finding the Fourth Proportional to 18,740,000.20, 28,047,792.30 and 13,607,840.20

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Solution

The fourth proportional to 18,740,000.20, 28,047,792.30 and 13,607,840.20 is: 20,366,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,000.20 : 28,047,792.30 = 13,607,840.20 : x
  2. Step 2: Convert to fraction form
    18,740,000.20/28,047,792.30 = 13,607,840.20/x
  3. Step 3: Cross multiply
    18,740,000.20x = 28,047,792.30 × 13,607,840.20
  4. Step 4: Simplify right side
    18,740,000.20x = 381,669,875,581,190.44
  5. Step 5: Solve for x
    x = 381,669,875,581,190.44/18,740,000.20
  6. Step 6: Final answer
    x = 20,366,588.66

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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.