Home / 20,157,519.69-30,236,390.24-5,011,451.19

Finding the Fourth Proportional to 20,157,519.69, 30,236,390.24 and 5,011,451.19

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Solution

The fourth proportional to 20,157,519.69, 30,236,390.24 and 5,011,451.19 is: 7,517,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,519.69 : 30,236,390.24 = 5,011,451.19 : x
  2. Step 2: Convert to fraction form
    20,157,519.69/30,236,390.24 = 5,011,451.19/x
  3. Step 3: Cross multiply
    20,157,519.69x = 30,236,390.24 × 5,011,451.19
  4. Step 4: Simplify right side
    20,157,519.69x = 151,528,193,824,495.12
  5. Step 5: Solve for x
    x = 151,528,193,824,495.12/20,157,519.69
  6. Step 6: Final answer
    x = 7,517,204.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.