Home / 11,301,021.72-15,595,943.18-6,406,338.74

Finding the Fourth Proportional to 11,301,021.72, 15,595,943.18 and 6,406,338.74

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Solution

The fourth proportional to 11,301,021.72, 15,595,943.18 and 6,406,338.74 is: 8,841,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301,021.72 : 15,595,943.18 = 6,406,338.74 : x
  2. Step 2: Convert to fraction form
    11,301,021.72/15,595,943.18 = 6,406,338.74/x
  3. Step 3: Cross multiply
    11,301,021.72x = 15,595,943.18 × 6,406,338.74
  4. Step 4: Simplify right side
    11,301,021.72x = 99,912,894,870,861.39
  5. Step 5: Solve for x
    x = 99,912,894,870,861.39/11,301,021.72
  6. Step 6: Final answer
    x = 8,841,049.72

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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.