Home / 8,140,099.30-12,194,189.31-4,721,203.20

Finding the Fourth Proportional to 8,140,099.30, 12,194,189.31 and 4,721,203.20

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Solution

The fourth proportional to 8,140,099.30, 12,194,189.31 and 4,721,203.20 is: 7,072,548.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,099.30 : 12,194,189.31 = 4,721,203.20 : x
  2. Step 2: Convert to fraction form
    8,140,099.30/12,194,189.31 = 4,721,203.20/x
  3. Step 3: Cross multiply
    8,140,099.30x = 12,194,189.31 × 4,721,203.20
  4. Step 4: Simplify right side
    8,140,099.30x = 57,571,245,655,210.52
  5. Step 5: Solve for x
    x = 57,571,245,655,210.52/8,140,099.30
  6. Step 6: Final answer
    x = 7,072,548.33

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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.