Home / 7,285,138.20-10,053,438.68-3,977,432.33

Finding the Fourth Proportional to 7,285,138.20, 10,053,438.68 and 3,977,432.33

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Solution

The fourth proportional to 7,285,138.20, 10,053,438.68 and 3,977,432.33 is: 5,488,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,138.20 : 10,053,438.68 = 3,977,432.33 : x
  2. Step 2: Convert to fraction form
    7,285,138.20/10,053,438.68 = 3,977,432.33/x
  3. Step 3: Cross multiply
    7,285,138.20x = 10,053,438.68 × 3,977,432.33
  4. Step 4: Simplify right side
    7,285,138.20x = 39,986,871,963,350.17
  5. Step 5: Solve for x
    x = 39,986,871,963,350.17/7,285,138.20
  6. Step 6: Final answer
    x = 5,488,828.20

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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.