Home / 13,484,528.10-20,229,416.55-3,900,219.30

Finding the Fourth Proportional to 13,484,528.10, 20,229,416.55 and 3,900,219.30

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Solution

The fourth proportional to 13,484,528.10, 20,229,416.55 and 3,900,219.30 is: 5,851,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,528.10 : 20,229,416.55 = 3,900,219.30 : x
  2. Step 2: Convert to fraction form
    13,484,528.10/20,229,416.55 = 3,900,219.30/x
  3. Step 3: Cross multiply
    13,484,528.10x = 20,229,416.55 × 3,900,219.30
  4. Step 4: Simplify right side
    13,484,528.10x = 78,899,160,856,049.42
  5. Step 5: Solve for x
    x = 78,899,160,856,049.42/13,484,528.10
  6. Step 6: Final answer
    x = 5,851,088.02

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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.