Home / 13,479,905.40-20,219,858.10-5,921,633.40

Finding the Fourth Proportional to 13,479,905.40, 20,219,858.10 and 5,921,633.40

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Solution

The fourth proportional to 13,479,905.40, 20,219,858.10 and 5,921,633.40 is: 8,882,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,905.40 : 20,219,858.10 = 5,921,633.40 : x
  2. Step 2: Convert to fraction form
    13,479,905.40/20,219,858.10 = 5,921,633.40/x
  3. Step 3: Cross multiply
    13,479,905.40x = 20,219,858.10 × 5,921,633.40
  4. Step 4: Simplify right side
    13,479,905.40x = 119,734,587,068,220.56
  5. Step 5: Solve for x
    x = 119,734,587,068,220.56/13,479,905.40
  6. Step 6: Final answer
    x = 8,882,450.10

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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.