Home / 7,943,353.40-11,919,954.90-4,159,551.80

Finding the Fourth Proportional to 7,943,353.40, 11,919,954.90 and 4,159,551.80

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Solution

The fourth proportional to 7,943,353.40, 11,919,954.90 and 4,159,551.80 is: 6,241,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,353.40 : 11,919,954.90 = 4,159,551.80 : x
  2. Step 2: Convert to fraction form
    7,943,353.40/11,919,954.90 = 4,159,551.80/x
  3. Step 3: Cross multiply
    7,943,353.40x = 11,919,954.90 × 4,159,551.80
  4. Step 4: Simplify right side
    7,943,353.40x = 49,581,669,860,213.82
  5. Step 5: Solve for x
    x = 49,581,669,860,213.82/7,943,353.40
  6. Step 6: Final answer
    x = 6,241,906.58

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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.