Home / 6,866,478.78-9,475,679.36-3,768,910.40

Finding the Fourth Proportional to 6,866,478.78, 9,475,679.36 and 3,768,910.40

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Solution

The fourth proportional to 6,866,478.78, 9,475,679.36 and 3,768,910.40 is: 5,201,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,478.78 : 9,475,679.36 = 3,768,910.40 : x
  2. Step 2: Convert to fraction form
    6,866,478.78/9,475,679.36 = 3,768,910.40/x
  3. Step 3: Cross multiply
    6,866,478.78x = 9,475,679.36 × 3,768,910.40
  4. Step 4: Simplify right side
    6,866,478.78x = 35,712,986,486,969.34
  5. Step 5: Solve for x
    x = 35,712,986,486,969.34/6,866,478.78
  6. Step 6: Final answer
    x = 5,201,062.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.