Home / 14,658,513.26-20,220,343.88-9,142,311.33

Finding the Fourth Proportional to 14,658,513.26, 20,220,343.88 and 9,142,311.33

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Solution

The fourth proportional to 14,658,513.26, 20,220,343.88 and 9,142,311.33 is: 12,611,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,513.26 : 20,220,343.88 = 9,142,311.33 : x
  2. Step 2: Convert to fraction form
    14,658,513.26/20,220,343.88 = 9,142,311.33/x
  3. Step 3: Cross multiply
    14,658,513.26x = 20,220,343.88 × 9,142,311.33
  4. Step 4: Simplify right side
    14,658,513.26x = 184,860,678,904,908.59
  5. Step 5: Solve for x
    x = 184,860,678,904,908.59/14,658,513.26
  6. Step 6: Final answer
    x = 12,611,147.92

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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.