Home / 20,500,613.55-30,751,412.40-6,124,150.35

Finding the Fourth Proportional to 20,500,613.55, 30,751,412.40 and 6,124,150.35

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Solution

The fourth proportional to 20,500,613.55, 30,751,412.40 and 6,124,150.35 is: 9,186,372.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,613.55 : 30,751,412.40 = 6,124,150.35 : x
  2. Step 2: Convert to fraction form
    20,500,613.55/30,751,412.40 = 6,124,150.35/x
  3. Step 3: Cross multiply
    20,500,613.55x = 30,751,412.40 × 6,124,150.35
  4. Step 4: Simplify right side
    20,500,613.55x = 188,326,273,012,454.31
  5. Step 5: Solve for x
    x = 188,326,273,012,454.31/20,500,613.55
  6. Step 6: Final answer
    x = 9,186,372.52

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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.