Home / 7,777,366.70-11,666,050.05-5,385,882.20

Finding the Fourth Proportional to 7,777,366.70, 11,666,050.05 and 5,385,882.20

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Solution

The fourth proportional to 7,777,366.70, 11,666,050.05 and 5,385,882.20 is: 8,078,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,366.70 : 11,666,050.05 = 5,385,882.20 : x
  2. Step 2: Convert to fraction form
    7,777,366.70/11,666,050.05 = 5,385,882.20/x
  3. Step 3: Cross multiply
    7,777,366.70x = 11,666,050.05 × 5,385,882.20
  4. Step 4: Simplify right side
    7,777,366.70x = 62,831,971,308,604.12
  5. Step 5: Solve for x
    x = 62,831,971,308,604.12/7,777,366.70
  6. Step 6: Final answer
    x = 8,078,823.30

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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.