Home / 15,019,325.89-20,727,077.27-8,493,931.16

Finding the Fourth Proportional to 15,019,325.89, 20,727,077.27 and 8,493,931.16

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Solution

The fourth proportional to 15,019,325.89, 20,727,077.27 and 8,493,931.16 is: 11,721,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019,325.89 : 20,727,077.27 = 8,493,931.16 : x
  2. Step 2: Convert to fraction form
    15,019,325.89/20,727,077.27 = 8,493,931.16/x
  3. Step 3: Cross multiply
    15,019,325.89x = 20,727,077.27 × 8,493,931.16
  4. Step 4: Simplify right side
    15,019,325.89x = 176,054,367,517,791.66
  5. Step 5: Solve for x
    x = 176,054,367,517,791.66/15,019,325.89
  6. Step 6: Final answer
    x = 11,721,855.48

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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.