Home / 7,730,982.78-10,670,614.11-4,425,193.72

Finding the Fourth Proportional to 7,730,982.78, 10,670,614.11 and 4,425,193.72

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Solution

The fourth proportional to 7,730,982.78, 10,670,614.11 and 4,425,193.72 is: 6,107,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730,982.78 : 10,670,614.11 = 4,425,193.72 : x
  2. Step 2: Convert to fraction form
    7,730,982.78/10,670,614.11 = 4,425,193.72/x
  3. Step 3: Cross multiply
    7,730,982.78x = 10,670,614.11 × 4,425,193.72
  4. Step 4: Simplify right side
    7,730,982.78x = 47,219,534,561,453.66
  5. Step 5: Solve for x
    x = 47,219,534,561,453.66/7,730,982.78
  6. Step 6: Final answer
    x = 6,107,830.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.