Home / 14,965,965.20-20,653,062.28-8,090,447.06

Finding the Fourth Proportional to 14,965,965.20, 20,653,062.28 and 8,090,447.06

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Solution

The fourth proportional to 14,965,965.20, 20,653,062.28 and 8,090,447.06 is: 11,164,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,965.20 : 20,653,062.28 = 8,090,447.06 : x
  2. Step 2: Convert to fraction form
    14,965,965.20/20,653,062.28 = 8,090,447.06/x
  3. Step 3: Cross multiply
    14,965,965.20x = 20,653,062.28 × 8,090,447.06
  4. Step 4: Simplify right side
    14,965,965.20x = 167,092,507,003,222.91
  5. Step 5: Solve for x
    x = 167,092,507,003,222.91/14,965,965.20
  6. Step 6: Final answer
    x = 11,164,833.32

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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.