Home / 6,528,173.88-9,009,708.39-3,949,875.84

Finding the Fourth Proportional to 6,528,173.88, 9,009,708.39 and 3,949,875.84

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Solution

The fourth proportional to 6,528,173.88, 9,009,708.39 and 3,949,875.84 is: 5,451,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,173.88 : 9,009,708.39 = 3,949,875.84 : x
  2. Step 2: Convert to fraction form
    6,528,173.88/9,009,708.39 = 3,949,875.84/x
  3. Step 3: Cross multiply
    6,528,173.88x = 9,009,708.39 × 3,949,875.84
  4. Step 4: Simplify right side
    6,528,173.88x = 35,587,229,495,106.30
  5. Step 5: Solve for x
    x = 35,587,229,495,106.30/6,528,173.88
  6. Step 6: Final answer
    x = 5,451,329.90

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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.