Home / 9,649,751.92-13,316,889-5,239,663.42

Finding the Fourth Proportional to 9,649,751.92, 13,316,889 and 5,239,663.42

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Solution

The fourth proportional to 9,649,751.92, 13,316,889 and 5,239,663.42 is: 7,230,861.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649,751.92 : 13,316,889 = 5,239,663.42 : x
  2. Step 2: Convert to fraction form
    9,649,751.92/13,316,889 = 5,239,663.42/x
  3. Step 3: Cross multiply
    9,649,751.92x = 13,316,889 × 5,239,663.42
  4. Step 4: Simplify right side
    9,649,751.92x = 69,776,016,161,500.38
  5. Step 5: Solve for x
    x = 69,776,016,161,500.38/9,649,751.92
  6. Step 6: Final answer
    x = 7,230,861.14

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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.