Home / 12,549,903.57-18,832,818.77-5,361,491.54

Finding the Fourth Proportional to 12,549,903.57, 18,832,818.77 and 5,361,491.54

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Solution

The fourth proportional to 12,549,903.57, 18,832,818.77 and 5,361,491.54 is: 8,045,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,903.57 : 18,832,818.77 = 5,361,491.54 : x
  2. Step 2: Convert to fraction form
    12,549,903.57/18,832,818.77 = 5,361,491.54/x
  3. Step 3: Cross multiply
    12,549,903.57x = 18,832,818.77 × 5,361,491.54
  4. Step 4: Simplify right side
    12,549,903.57x = 100,971,998,388,736.66
  5. Step 5: Solve for x
    x = 100,971,998,388,736.66/12,549,903.57
  6. Step 6: Final answer
    x = 8,045,639.38

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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.