Home / 15,202,400.15-20,979,584.82-8,326,439.35

Finding the Fourth Proportional to 15,202,400.15, 20,979,584.82 and 8,326,439.35

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Solution

The fourth proportional to 15,202,400.15, 20,979,584.82 and 8,326,439.35 is: 11,490,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,400.15 : 20,979,584.82 = 8,326,439.35 : x
  2. Step 2: Convert to fraction form
    15,202,400.15/20,979,584.82 = 8,326,439.35/x
  3. Step 3: Cross multiply
    15,202,400.15x = 20,979,584.82 × 8,326,439.35
  4. Step 4: Simplify right side
    15,202,400.15x = 174,685,240,539,461.72
  5. Step 5: Solve for x
    x = 174,685,240,539,461.72/15,202,400.15
  6. Step 6: Final answer
    x = 11,490,635.61

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1.5x scale

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.