Home / 19,764,132.30-29,646,198.45-6,985,928.70

Finding the Fourth Proportional to 19,764,132.30, 29,646,198.45 and 6,985,928.70

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Solution

The fourth proportional to 19,764,132.30, 29,646,198.45 and 6,985,928.70 is: 10,478,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764,132.30 : 29,646,198.45 = 6,985,928.70 : x
  2. Step 2: Convert to fraction form
    19,764,132.30/29,646,198.45 = 6,985,928.70/x
  3. Step 3: Cross multiply
    19,764,132.30x = 29,646,198.45 × 6,985,928.70
  4. Step 4: Simplify right side
    19,764,132.30x = 207,106,228,597,750.50
  5. Step 5: Solve for x
    x = 207,106,228,597,750.50/19,764,132.30
  6. Step 6: Final answer
    x = 10,478,893.05

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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.