Home / 7,837,812.72-10,815,584.40-4,399,389.45

Finding the Fourth Proportional to 7,837,812.72, 10,815,584.40 and 4,399,389.45

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Solution

The fourth proportional to 7,837,812.72, 10,815,584.40 and 4,399,389.45 is: 6,070,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837,812.72 : 10,815,584.40 = 4,399,389.45 : x
  2. Step 2: Convert to fraction form
    7,837,812.72/10,815,584.40 = 4,399,389.45/x
  3. Step 3: Cross multiply
    7,837,812.72x = 10,815,584.40 × 4,399,389.45
  4. Step 4: Simplify right side
    7,837,812.72x = 47,581,967,904,944.59
  5. Step 5: Solve for x
    x = 47,581,967,904,944.59/7,837,812.72
  6. Step 6: Final answer
    x = 6,070,822.26

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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.