Home / 12,129,096.50-16,732,110.56-7,230,867.14

Finding the Fourth Proportional to 12,129,096.50, 16,732,110.56 and 7,230,867.14

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Solution

The fourth proportional to 12,129,096.50, 16,732,110.56 and 7,230,867.14 is: 9,974,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,096.50 : 16,732,110.56 = 7,230,867.14 : x
  2. Step 2: Convert to fraction form
    12,129,096.50/16,732,110.56 = 7,230,867.14/x
  3. Step 3: Cross multiply
    12,129,096.50x = 16,732,110.56 × 7,230,867.14
  4. Step 4: Simplify right side
    12,129,096.50x = 120,987,668,311,336.11
  5. Step 5: Solve for x
    x = 120,987,668,311,336.11/12,129,096.50
  6. Step 6: Final answer
    x = 9,974,994.29

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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.