Home / 12,291,322.10-18,436,983.15-6,551,759.30

Finding the Fourth Proportional to 12,291,322.10, 18,436,983.15 and 6,551,759.30

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Solution

The fourth proportional to 12,291,322.10, 18,436,983.15 and 6,551,759.30 is: 9,827,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,322.10 : 18,436,983.15 = 6,551,759.30 : x
  2. Step 2: Convert to fraction form
    12,291,322.10/18,436,983.15 = 6,551,759.30/x
  3. Step 3: Cross multiply
    12,291,322.10x = 18,436,983.15 × 6,551,759.30
  4. Step 4: Simplify right side
    12,291,322.10x = 120,794,675,816,955.78
  5. Step 5: Solve for x
    x = 120,794,675,816,955.78/12,291,322.10
  6. Step 6: Final answer
    x = 9,827,638.95

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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.