Home / 12,551,431.10-18,827,146.65-8,725,055.90

Finding the Fourth Proportional to 12,551,431.10, 18,827,146.65 and 8,725,055.90

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Solution

The fourth proportional to 12,551,431.10, 18,827,146.65 and 8,725,055.90 is: 13,087,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551,431.10 : 18,827,146.65 = 8,725,055.90 : x
  2. Step 2: Convert to fraction form
    12,551,431.10/18,827,146.65 = 8,725,055.90/x
  3. Step 3: Cross multiply
    12,551,431.10x = 18,827,146.65 × 8,725,055.90
  4. Step 4: Simplify right side
    12,551,431.10x = 164,267,906,958,747.72
  5. Step 5: Solve for x
    x = 164,267,906,958,747.72/12,551,431.10
  6. Step 6: Final answer
    x = 13,087,583.85

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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.