Home / 13,385,344.29-18,477,425.35-9,040,315.89

Finding the Fourth Proportional to 13,385,344.29, 18,477,425.35 and 9,040,315.89

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Solution

The fourth proportional to 13,385,344.29, 18,477,425.35 and 9,040,315.89 is: 12,479,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385,344.29 : 18,477,425.35 = 9,040,315.89 : x
  2. Step 2: Convert to fraction form
    13,385,344.29/18,477,425.35 = 9,040,315.89/x
  3. Step 3: Cross multiply
    13,385,344.29x = 18,477,425.35 × 9,040,315.89
  4. Step 4: Simplify right side
    13,385,344.29x = 167,041,761,997,893.84
  5. Step 5: Solve for x
    x = 167,041,761,997,893.84/13,385,344.29
  6. Step 6: Final answer
    x = 12,479,452.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.