Home / 6,643,958.60-9,965,937.90-4,240,664.30

Finding the Fourth Proportional to 6,643,958.60, 9,965,937.90 and 4,240,664.30

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Solution

The fourth proportional to 6,643,958.60, 9,965,937.90 and 4,240,664.30 is: 6,360,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,958.60 : 9,965,937.90 = 4,240,664.30 : x
  2. Step 2: Convert to fraction form
    6,643,958.60/9,965,937.90 = 4,240,664.30/x
  3. Step 3: Cross multiply
    6,643,958.60x = 9,965,937.90 × 4,240,664.30
  4. Step 4: Simplify right side
    6,643,958.60x = 42,262,197,068,546.97
  5. Step 5: Solve for x
    x = 42,262,197,068,546.97/6,643,958.60
  6. Step 6: Final answer
    x = 6,360,996.45

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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.