Home / 11,975,869.98-16,521,486.03-7,329,861.86

Finding the Fourth Proportional to 11,975,869.98, 16,521,486.03 and 7,329,861.86

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Solution

The fourth proportional to 11,975,869.98, 16,521,486.03 and 7,329,861.86 is: 10,112,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975,869.98 : 16,521,486.03 = 7,329,861.86 : x
  2. Step 2: Convert to fraction form
    11,975,869.98/16,521,486.03 = 7,329,861.86/x
  3. Step 3: Cross multiply
    11,975,869.98x = 16,521,486.03 × 7,329,861.86
  4. Step 4: Simplify right side
    11,975,869.98x = 121,100,210,239,212.39
  5. Step 5: Solve for x
    x = 121,100,210,239,212.39/11,975,869.98
  6. Step 6: Final answer
    x = 10,112,017.79

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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.