Home / 30,591,105.70-45,886,658.55-13,533,672.10

Finding the Fourth Proportional to 30,591,105.70, 45,886,658.55 and 13,533,672.10

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Solution

The fourth proportional to 30,591,105.70, 45,886,658.55 and 13,533,672.10 is: 20,300,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,105.70 : 45,886,658.55 = 13,533,672.10 : x
  2. Step 2: Convert to fraction form
    30,591,105.70/45,886,658.55 = 13,533,672.10/x
  3. Step 3: Cross multiply
    30,591,105.70x = 45,886,658.55 × 13,533,672.10
  4. Step 4: Simplify right side
    30,591,105.70x = 621,014,990,580,361.38
  5. Step 5: Solve for x
    x = 621,014,990,580,361.38/30,591,105.70
  6. Step 6: Final answer
    x = 20,300,508.15

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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.