Home / 19,207,921.04-28,811,930.76-7,848,369.64

Finding the Fourth Proportional to 19,207,921.04, 28,811,930.76 and 7,848,369.64

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Solution

The fourth proportional to 19,207,921.04, 28,811,930.76 and 7,848,369.64 is: 11,772,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,921.04 : 28,811,930.76 = 7,848,369.64 : x
  2. Step 2: Convert to fraction form
    19,207,921.04/28,811,930.76 = 7,848,369.64/x
  3. Step 3: Cross multiply
    19,207,921.04x = 28,811,930.76 × 7,848,369.64
  4. Step 4: Simplify right side
    19,207,921.04x = 226,126,682,646,566.12
  5. Step 5: Solve for x
    x = 226,126,682,646,566.12/19,207,921.04
  6. Step 6: Final answer
    x = 11,772,574.56

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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.