Home / 12,938,342.80-19,407,514.20-3,353,645.20

Finding the Fourth Proportional to 12,938,342.80, 19,407,514.20 and 3,353,645.20

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Solution

The fourth proportional to 12,938,342.80, 19,407,514.20 and 3,353,645.20 is: 5,030,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,342.80 : 19,407,514.20 = 3,353,645.20 : x
  2. Step 2: Convert to fraction form
    12,938,342.80/19,407,514.20 = 3,353,645.20/x
  3. Step 3: Cross multiply
    12,938,342.80x = 19,407,514.20 × 3,353,645.20
  4. Step 4: Simplify right side
    12,938,342.80x = 65,085,916,840,761.84
  5. Step 5: Solve for x
    x = 65,085,916,840,761.84/12,938,342.80
  6. Step 6: Final answer
    x = 5,030,467.80

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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.