Home / 13,346,216.16-20,016,233.04-7,956,376.80

Finding the Fourth Proportional to 13,346,216.16, 20,016,233.04 and 7,956,376.80

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Solution

The fourth proportional to 13,346,216.16, 20,016,233.04 and 7,956,376.80 is: 11,932,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,216.16 : 20,016,233.04 = 7,956,376.80 : x
  2. Step 2: Convert to fraction form
    13,346,216.16/20,016,233.04 = 7,956,376.80/x
  3. Step 3: Cross multiply
    13,346,216.16x = 20,016,233.04 × 7,956,376.80
  4. Step 4: Simplify right side
    13,346,216.16x = 159,256,692,182,849.47
  5. Step 5: Solve for x
    x = 159,256,692,182,849.47/13,346,216.16
  6. Step 6: Final answer
    x = 11,932,722.37

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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.