Home / 7,381,135.80-11,071,703.70-5,467,948.20

Finding the Fourth Proportional to 7,381,135.80, 11,071,703.70 and 5,467,948.20

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Solution

The fourth proportional to 7,381,135.80, 11,071,703.70 and 5,467,948.20 is: 8,201,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,135.80 : 11,071,703.70 = 5,467,948.20 : x
  2. Step 2: Convert to fraction form
    7,381,135.80/11,071,703.70 = 5,467,948.20/x
  3. Step 3: Cross multiply
    7,381,135.80x = 11,071,703.70 × 5,467,948.20
  4. Step 4: Simplify right side
    7,381,135.80x = 60,539,502,317,348.34
  5. Step 5: Solve for x
    x = 60,539,502,317,348.34/7,381,135.80
  6. Step 6: Final answer
    x = 8,201,922.30

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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.