Home / 20,959,979.40-31,439,969.10-6,584,500.35

Finding the Fourth Proportional to 20,959,979.40, 31,439,969.10 and 6,584,500.35

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Solution

The fourth proportional to 20,959,979.40, 31,439,969.10 and 6,584,500.35 is: 9,876,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,979.40 : 31,439,969.10 = 6,584,500.35 : x
  2. Step 2: Convert to fraction form
    20,959,979.40/31,439,969.10 = 6,584,500.35/x
  3. Step 3: Cross multiply
    20,959,979.40x = 31,439,969.10 × 6,584,500.35
  4. Step 4: Simplify right side
    20,959,979.40x = 207,016,487,542,939.19
  5. Step 5: Solve for x
    x = 207,016,487,542,939.19/20,959,979.40
  6. Step 6: Final answer
    x = 9,876,750.53

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1.5x scale

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.