Home / 12,115,770.10-18,173,655.15-11,052,888.10

Finding the Fourth Proportional to 12,115,770.10, 18,173,655.15 and 11,052,888.10

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Solution

The fourth proportional to 12,115,770.10, 18,173,655.15 and 11,052,888.10 is: 16,579,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,770.10 : 18,173,655.15 = 11,052,888.10 : x
  2. Step 2: Convert to fraction form
    12,115,770.10/18,173,655.15 = 11,052,888.10/x
  3. Step 3: Cross multiply
    12,115,770.10x = 18,173,655.15 × 11,052,888.10
  4. Step 4: Simplify right side
    12,115,770.10x = 200,871,376,740,938.69
  5. Step 5: Solve for x
    x = 200,871,376,740,938.69/12,115,770.10
  6. Step 6: Final answer
    x = 16,579,332.15

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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.