Home / 6,889,606.40-10,309,915.20-6,000,809.60

Finding the Fourth Proportional to 6,889,606.40, 10,309,915.20 and 6,000,809.60

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Solution

The fourth proportional to 6,889,606.40, 10,309,915.20 and 6,000,809.60 is: 8,979,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,606.40 : 10,309,915.20 = 6,000,809.60 : x
  2. Step 2: Convert to fraction form
    6,889,606.40/10,309,915.20 = 6,000,809.60/x
  3. Step 3: Cross multiply
    6,889,606.40x = 10,309,915.20 × 6,000,809.60
  4. Step 4: Simplify right side
    6,889,606.40x = 61,867,838,107,345.91
  5. Step 5: Solve for x
    x = 61,867,838,107,345.91/6,889,606.40
  6. Step 6: Final answer
    x = 8,979,879.91

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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.