Home / 12,779,556.73-19,176,309.34-7,398,716.60

Finding the Fourth Proportional to 12,779,556.73, 19,176,309.34 and 7,398,716.60

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Solution

The fourth proportional to 12,779,556.73, 19,176,309.34 and 7,398,716.60 is: 11,102,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779,556.73 : 19,176,309.34 = 7,398,716.60 : x
  2. Step 2: Convert to fraction form
    12,779,556.73/19,176,309.34 = 7,398,716.60/x
  3. Step 3: Cross multiply
    12,779,556.73x = 19,176,309.34 × 7,398,716.60
  4. Step 4: Simplify right side
    12,779,556.73x = 141,880,078,270,037
  5. Step 5: Solve for x
    x = 141,880,078,270,037/12,779,556.73
  6. Step 6: Final answer
    x = 11,102,112.64

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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.