Home / 12,151,607.60-18,227,411.40-11,962,650.80

Finding the Fourth Proportional to 12,151,607.60, 18,227,411.40 and 11,962,650.80

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Solution

The fourth proportional to 12,151,607.60, 18,227,411.40 and 11,962,650.80 is: 17,943,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,607.60 : 18,227,411.40 = 11,962,650.80 : x
  2. Step 2: Convert to fraction form
    12,151,607.60/18,227,411.40 = 11,962,650.80/x
  3. Step 3: Cross multiply
    12,151,607.60x = 18,227,411.40 × 11,962,650.80
  4. Step 4: Simplify right side
    12,151,607.60x = 218,048,157,566,139.12
  5. Step 5: Solve for x
    x = 218,048,157,566,139.12/12,151,607.60
  6. Step 6: Final answer
    x = 17,943,976.20

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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.