Home / 7,508,279-10,369,978.62-5,089,631.96

Finding the Fourth Proportional to 7,508,279, 10,369,978.62 and 5,089,631.96

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Solution

The fourth proportional to 7,508,279, 10,369,978.62 and 5,089,631.96 is: 7,029,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508,279 : 10,369,978.62 = 5,089,631.96 : x
  2. Step 2: Convert to fraction form
    7,508,279/10,369,978.62 = 5,089,631.96/x
  3. Step 3: Cross multiply
    7,508,279x = 10,369,978.62 × 5,089,631.96
  4. Step 4: Simplify right side
    7,508,279x = 52,779,374,608,868.69
  5. Step 5: Solve for x
    x = 52,779,374,608,868.69/7,508,279
  6. Step 6: Final answer
    x = 7,029,490.33

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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.