Home / 15,019,328.51-20,727,080.90-8,493,933.79

Finding the Fourth Proportional to 15,019,328.51, 20,727,080.90 and 8,493,933.79

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Solution

The fourth proportional to 15,019,328.51, 20,727,080.90 and 8,493,933.79 is: 11,721,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,328.51 : 20,727,080.90 = 8,493,933.79 : x
  2. Step 2: Convert to fraction form
    15,019,328.51/20,727,080.90 = 8,493,933.79/x
  3. Step 3: Cross multiply
    15,019,328.51x = 20,727,080.90 × 8,493,933.79
  4. Step 4: Simplify right side
    15,019,328.51x = 176,054,452,793,990.72
  5. Step 5: Solve for x
    x = 176,054,452,793,990.72/15,019,328.51
  6. Step 6: Final answer
    x = 11,721,859.11

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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.