Home / 14,684,458.50-20,263,366.55-8,489,904.51

Finding the Fourth Proportional to 14,684,458.50, 20,263,366.55 and 8,489,904.51

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Solution

The fourth proportional to 14,684,458.50, 20,263,366.55 and 8,489,904.51 is: 11,715,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684,458.50 : 20,263,366.55 = 8,489,904.51 : x
  2. Step 2: Convert to fraction form
    14,684,458.50/20,263,366.55 = 8,489,904.51/x
  3. Step 3: Cross multiply
    14,684,458.50x = 20,263,366.55 × 8,489,904.51
  4. Step 4: Simplify right side
    14,684,458.50x = 172,034,047,157,840.50
  5. Step 5: Solve for x
    x = 172,034,047,157,840.50/14,684,458.50
  6. Step 6: Final answer
    x = 11,715,382.43

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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.