Home / 15,019,343.22-20,727,101.28-8,493,948.54

Finding the Fourth Proportional to 15,019,343.22, 20,727,101.28 and 8,493,948.54

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Solution

The fourth proportional to 15,019,343.22, 20,727,101.28 and 8,493,948.54 is: 11,721,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,343.22 : 20,727,101.28 = 8,493,948.54 : x
  2. Step 2: Convert to fraction form
    15,019,343.22/20,727,101.28 = 8,493,948.54/x
  3. Step 3: Cross multiply
    15,019,343.22x = 20,727,101.28 × 8,493,948.54
  4. Step 4: Simplify right side
    15,019,343.22x = 176,054,931,655,688.12
  5. Step 5: Solve for x
    x = 176,054,931,655,688.12/15,019,343.22
  6. Step 6: Final answer
    x = 11,721,879.52

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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.