Home / 12,129,096-16,732,109.86-7,230,866.64

Finding the Fourth Proportional to 12,129,096, 16,732,109.86 and 7,230,866.64

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Solution

The fourth proportional to 12,129,096, 16,732,109.86 and 7,230,866.64 is: 9,974,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,096 : 16,732,109.86 = 7,230,866.64 : x
  2. Step 2: Convert to fraction form
    12,129,096/16,732,109.86 = 7,230,866.64/x
  3. Step 3: Cross multiply
    12,129,096x = 16,732,109.86 × 7,230,866.64
  4. Step 4: Simplify right side
    12,129,096x = 120,987,655,003,489.06
  5. Step 5: Solve for x
    x = 120,987,655,003,489.06/12,129,096
  6. Step 6: Final answer
    x = 9,974,993.60

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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.