Home / 12,622,829.60-18,921,802.80-6,227,847.20

Finding the Fourth Proportional to 12,622,829.60, 18,921,802.80 and 6,227,847.20

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Solution

The fourth proportional to 12,622,829.60, 18,921,802.80 and 6,227,847.20 is: 9,335,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,829.60 : 18,921,802.80 = 6,227,847.20 : x
  2. Step 2: Convert to fraction form
    12,622,829.60/18,921,802.80 = 6,227,847.20/x
  3. Step 3: Cross multiply
    12,622,829.60x = 18,921,802.80 × 6,227,847.20
  4. Step 4: Simplify right side
    12,622,829.60x = 117,842,096,586,932.17
  5. Step 5: Solve for x
    x = 117,842,096,586,932.17/12,622,829.60
  6. Step 6: Final answer
    x = 9,335,632.37

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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.