Home / 12,740,676.74-19,110,893-7,549,549.54

Finding the Fourth Proportional to 12,740,676.74, 19,110,893 and 7,549,549.54

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Solution

The fourth proportional to 12,740,676.74, 19,110,893 and 7,549,549.54 is: 11,324,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740,676.74 : 19,110,893 = 7,549,549.54 : x
  2. Step 2: Convert to fraction form
    12,740,676.74/19,110,893 = 7,549,549.54/x
  3. Step 3: Cross multiply
    12,740,676.74x = 19,110,893 × 7,549,549.54
  4. Step 4: Simplify right side
    12,740,676.74x = 144,278,633,457,139.22
  5. Step 5: Solve for x
    x = 144,278,633,457,139.22/12,740,676.74
  6. Step 6: Final answer
    x = 11,324,251.95

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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.