Home / 6,977,155.52-9,628,250.28-3,879,663.68

Finding the Fourth Proportional to 6,977,155.52, 9,628,250.28 and 3,879,663.68

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Solution

The fourth proportional to 6,977,155.52, 9,628,250.28 and 3,879,663.68 is: 5,353,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977,155.52 : 9,628,250.28 = 3,879,663.68 : x
  2. Step 2: Convert to fraction form
    6,977,155.52/9,628,250.28 = 3,879,663.68/x
  3. Step 3: Cross multiply
    6,977,155.52x = 9,628,250.28 × 3,879,663.68
  4. Step 4: Simplify right side
    6,977,155.52x = 37,354,372,913,265.83
  5. Step 5: Solve for x
    x = 37,354,372,913,265.83/6,977,155.52
  6. Step 6: Final answer
    x = 5,353,811.13

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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.