Home / 12,740,675.74-19,110,891.50-7,549,548.54

Finding the Fourth Proportional to 12,740,675.74, 19,110,891.50 and 7,549,548.54

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Solution

The fourth proportional to 12,740,675.74, 19,110,891.50 and 7,549,548.54 is: 11,324,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,675.74 : 19,110,891.50 = 7,549,548.54 : x
  2. Step 2: Convert to fraction form
    12,740,675.74/19,110,891.50 = 7,549,548.54/x
  3. Step 3: Cross multiply
    12,740,675.74x = 19,110,891.50 × 7,549,548.54
  4. Step 4: Simplify right side
    12,740,675.74x = 144,278,602,940,820.62
  5. Step 5: Solve for x
    x = 144,278,602,940,820.62/12,740,675.74
  6. Step 6: Final answer
    x = 11,324,250.44

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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.