Home / 14,153,207.20-21,217,241.52-5,515,306.72

Finding the Fourth Proportional to 14,153,207.20, 21,217,241.52 and 5,515,306.72

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Solution

The fourth proportional to 14,153,207.20, 21,217,241.52 and 5,515,306.72 is: 8,268,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153,207.20 : 21,217,241.52 = 5,515,306.72 : x
  2. Step 2: Convert to fraction form
    14,153,207.20/21,217,241.52 = 5,515,306.72/x
  3. Step 3: Cross multiply
    14,153,207.20x = 21,217,241.52 × 5,515,306.72
  4. Step 4: Simplify right side
    14,153,207.20x = 117,019,594,735,119
  5. Step 5: Solve for x
    x = 117,019,594,735,119/14,153,207.20
  6. Step 6: Final answer
    x = 8,268,062.01

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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.