Home / 7,111,738.92-10,663,288.36-2,788,609.60

Finding the Fourth Proportional to 7,111,738.92, 10,663,288.36 and 2,788,609.60

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Solution

The fourth proportional to 7,111,738.92, 10,663,288.36 and 2,788,609.60 is: 4,181,220.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,738.92 : 10,663,288.36 = 2,788,609.60 : x
  2. Step 2: Convert to fraction form
    7,111,738.92/10,663,288.36 = 2,788,609.60/x
  3. Step 3: Cross multiply
    7,111,738.92x = 10,663,288.36 × 2,788,609.60
  4. Step 4: Simplify right side
    7,111,738.92x = 29,735,748,288,264.25
  5. Step 5: Solve for x
    x = 29,735,748,288,264.25/7,111,738.92
  6. Step 6: Final answer
    x = 4,181,220.46

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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.