Home / 12,010,512.78-18,012,043.07-4,333,159.57

Finding the Fourth Proportional to 12,010,512.78, 18,012,043.07 and 4,333,159.57

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Solution

The fourth proportional to 12,010,512.78, 18,012,043.07 and 4,333,159.57 is: 6,498,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010,512.78 : 18,012,043.07 = 4,333,159.57 : x
  2. Step 2: Convert to fraction form
    12,010,512.78/18,012,043.07 = 4,333,159.57/x
  3. Step 3: Cross multiply
    12,010,512.78x = 18,012,043.07 × 4,333,159.57
  4. Step 4: Simplify right side
    12,010,512.78x = 78,049,056,776,444.17
  5. Step 5: Solve for x
    x = 78,049,056,776,444.17/12,010,512.78
  6. Step 6: Final answer
    x = 6,498,395.05

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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.