Home / 8,078,829.30-12,127,101.30-5,049,615.60

Finding the Fourth Proportional to 8,078,829.30, 12,127,101.30 and 5,049,615.60

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Solution

The fourth proportional to 8,078,829.30, 12,127,101.30 and 5,049,615.60 is: 7,579,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,829.30 : 12,127,101.30 = 5,049,615.60 : x
  2. Step 2: Convert to fraction form
    8,078,829.30/12,127,101.30 = 5,049,615.60/x
  3. Step 3: Cross multiply
    8,078,829.30x = 12,127,101.30 × 5,049,615.60
  4. Step 4: Simplify right side
    8,078,829.30x = 61,237,199,907,260.28
  5. Step 5: Solve for x
    x = 61,237,199,907,260.28/8,078,829.30
  6. Step 6: Final answer
    x = 7,579,959.62

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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.