Home / 7,444,039.20-11,166,058.80-7,129,111.20

Finding the Fourth Proportional to 7,444,039.20, 11,166,058.80 and 7,129,111.20

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Solution

The fourth proportional to 7,444,039.20, 11,166,058.80 and 7,129,111.20 is: 10,693,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444,039.20 : 11,166,058.80 = 7,129,111.20 : x
  2. Step 2: Convert to fraction form
    7,444,039.20/11,166,058.80 = 7,129,111.20/x
  3. Step 3: Cross multiply
    7,444,039.20x = 11,166,058.80 × 7,129,111.20
  4. Step 4: Simplify right side
    7,444,039.20x = 79,604,074,850,938.56
  5. Step 5: Solve for x
    x = 79,604,074,850,938.56/7,444,039.20
  6. Step 6: Final answer
    x = 10,693,666.80

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Similar ratio
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1.5x scale

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.