Home / 7,338,909.80-11,008,364.70-5,425,722.20

Finding the Fourth Proportional to 7,338,909.80, 11,008,364.70 and 5,425,722.20

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Solution

The fourth proportional to 7,338,909.80, 11,008,364.70 and 5,425,722.20 is: 8,138,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,909.80 : 11,008,364.70 = 5,425,722.20 : x
  2. Step 2: Convert to fraction form
    7,338,909.80/11,008,364.70 = 5,425,722.20/x
  3. Step 3: Cross multiply
    7,338,909.80x = 11,008,364.70 × 5,425,722.20
  4. Step 4: Simplify right side
    7,338,909.80x = 59,728,328,738,486.34
  5. Step 5: Solve for x
    x = 59,728,328,738,486.34/7,338,909.80
  6. Step 6: Final answer
    x = 8,138,583.30

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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.