Home / 9,980,467.92-13,773,029.40-5,629,540.77

Finding the Fourth Proportional to 9,980,467.92, 13,773,029.40 and 5,629,540.77

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Solution

The fourth proportional to 9,980,467.92, 13,773,029.40 and 5,629,540.77 is: 7,768,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,467.92 : 13,773,029.40 = 5,629,540.77 : x
  2. Step 2: Convert to fraction form
    9,980,467.92/13,773,029.40 = 5,629,540.77/x
  3. Step 3: Cross multiply
    9,980,467.92x = 13,773,029.40 × 5,629,540.77
  4. Step 4: Simplify right side
    9,980,467.92x = 77,535,830,533,708.64
  5. Step 5: Solve for x
    x = 77,535,830,533,708.64/9,980,467.92
  6. Step 6: Final answer
    x = 7,768,757.05

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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.