Home / 12,622,834.60-18,921,810.30-6,227,852.20

Finding the Fourth Proportional to 12,622,834.60, 18,921,810.30 and 6,227,852.20

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Solution

The fourth proportional to 12,622,834.60, 18,921,810.30 and 6,227,852.20 is: 9,335,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622,834.60 : 18,921,810.30 = 6,227,852.20 : x
  2. Step 2: Convert to fraction form
    12,622,834.60/18,921,810.30 = 6,227,852.20/x
  3. Step 3: Cross multiply
    12,622,834.60x = 18,921,810.30 × 6,227,852.20
  4. Step 4: Simplify right side
    12,622,834.60x = 117,842,237,904,837.67
  5. Step 5: Solve for x
    x = 117,842,237,904,837.67/12,622,834.60
  6. Step 6: Final answer
    x = 9,335,639.87

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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.