Home / 12,068,853.90-18,111,330.30-4,392,496.60

Finding the Fourth Proportional to 12,068,853.90, 18,111,330.30 and 4,392,496.60

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Solution

The fourth proportional to 12,068,853.90, 18,111,330.30 and 4,392,496.60 is: 6,591,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,853.90 : 18,111,330.30 = 4,392,496.60 : x
  2. Step 2: Convert to fraction form
    12,068,853.90/18,111,330.30 = 4,392,496.60/x
  3. Step 3: Cross multiply
    12,068,853.90x = 18,111,330.30 × 4,392,496.60
  4. Step 4: Simplify right side
    12,068,853.90x = 79,553,956,764,226.97
  5. Step 5: Solve for x
    x = 79,553,956,764,226.97/12,068,853.90
  6. Step 6: Final answer
    x = 6,591,674.52

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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.