Home / 9,015,472.60-13,490,883.67-7,805,212.09

Finding the Fourth Proportional to 9,015,472.60, 13,490,883.67 and 7,805,212.09

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Solution

The fourth proportional to 9,015,472.60, 13,490,883.67 and 7,805,212.09 is: 11,679,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015,472.60 : 13,490,883.67 = 7,805,212.09 : x
  2. Step 2: Convert to fraction form
    9,015,472.60/13,490,883.67 = 7,805,212.09/x
  3. Step 3: Cross multiply
    9,015,472.60x = 13,490,883.67 × 7,805,212.09
  4. Step 4: Simplify right side
    9,015,472.60x = 105,299,208,325,867.56
  5. Step 5: Solve for x
    x = 105,299,208,325,867.56/9,015,472.60
  6. Step 6: Final answer
    x = 11,679,832.33

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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.