Home / 12,112,843.95-18,182,551.95-7,569,023.40

Finding the Fourth Proportional to 12,112,843.95, 18,182,551.95 and 7,569,023.40

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Solution

The fourth proportional to 12,112,843.95, 18,182,551.95 and 7,569,023.40 is: 11,361,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,843.95 : 18,182,551.95 = 7,569,023.40 : x
  2. Step 2: Convert to fraction form
    12,112,843.95/18,182,551.95 = 7,569,023.40/x
  3. Step 3: Cross multiply
    12,112,843.95x = 18,182,551.95 × 7,569,023.40
  4. Step 4: Simplify right side
    12,112,843.95x = 137,624,161,181,265.62
  5. Step 5: Solve for x
    x = 137,624,161,181,265.62/12,112,843.95
  6. Step 6: Final answer
    x = 11,361,837.22

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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.