Home / 12,127,022.40-18,190,825.20-3,607,636.80

Finding the Fourth Proportional to 12,127,022.40, 18,190,825.20 and 3,607,636.80

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Solution

The fourth proportional to 12,127,022.40, 18,190,825.20 and 3,607,636.80 is: 5,411,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,022.40 : 18,190,825.20 = 3,607,636.80 : x
  2. Step 2: Convert to fraction form
    12,127,022.40/18,190,825.20 = 3,607,636.80/x
  3. Step 3: Cross multiply
    12,127,022.40x = 18,190,825.20 × 3,607,636.80
  4. Step 4: Simplify right side
    12,127,022.40x = 65,625,890,413,887.35
  5. Step 5: Solve for x
    x = 65,625,890,413,887.35/12,127,022.40
  6. Step 6: Final answer
    x = 5,411,541.95

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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.