Home / 19,980,414.45-29,952,250.88-7,197,793.11

Finding the Fourth Proportional to 19,980,414.45, 29,952,250.88 and 7,197,793.11

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Solution

The fourth proportional to 19,980,414.45, 29,952,250.88 and 7,197,793.11 is: 10,790,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,414.45 : 29,952,250.88 = 7,197,793.11 : x
  2. Step 2: Convert to fraction form
    19,980,414.45/29,952,250.88 = 7,197,793.11/x
  3. Step 3: Cross multiply
    19,980,414.45x = 29,952,250.88 × 7,197,793.11
  4. Step 4: Simplify right side
    19,980,414.45x = 215,590,104,977,066.47
  5. Step 5: Solve for x
    x = 215,590,104,977,066.47/19,980,414.45
  6. Step 6: Final answer
    x = 10,790,071.72

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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.