Home / 7,290,967.40-10,061,503.45-4,027,781.96

Finding the Fourth Proportional to 7,290,967.40, 10,061,503.45 and 4,027,781.96

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Solution

The fourth proportional to 7,290,967.40, 10,061,503.45 and 4,027,781.96 is: 5,558,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,967.40 : 10,061,503.45 = 4,027,781.96 : x
  2. Step 2: Convert to fraction form
    7,290,967.40/10,061,503.45 = 4,027,781.96/x
  3. Step 3: Cross multiply
    7,290,967.40x = 10,061,503.45 × 4,027,781.96
  4. Step 4: Simplify right side
    7,290,967.40x = 40,525,542,026,010.79
  5. Step 5: Solve for x
    x = 40,525,542,026,010.79/7,290,967.40
  6. Step 6: Final answer
    x = 5,558,321.66

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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.