Home / 19,207,913.78-28,811,919.88-7,848,362.41

Finding the Fourth Proportional to 19,207,913.78, 28,811,919.88 and 7,848,362.41

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Solution

The fourth proportional to 19,207,913.78, 28,811,919.88 and 7,848,362.41 is: 11,772,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207,913.78 : 28,811,919.88 = 7,848,362.41 : x
  2. Step 2: Convert to fraction form
    19,207,913.78/28,811,919.88 = 7,848,362.41/x
  3. Step 3: Cross multiply
    19,207,913.78x = 28,811,919.88 × 7,848,362.41
  4. Step 4: Simplify right side
    19,207,913.78x = 226,126,388,854,473
  5. Step 5: Solve for x
    x = 226,126,388,854,473/19,207,913.78
  6. Step 6: Final answer
    x = 11,772,563.72

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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.