Home / 9,518,316.51-13,135,429.41-5,167,399.35

Finding the Fourth Proportional to 9,518,316.51, 13,135,429.41 and 5,167,399.35

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Solution

The fourth proportional to 9,518,316.51, 13,135,429.41 and 5,167,399.35 is: 7,131,093.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518,316.51 : 13,135,429.41 = 5,167,399.35 : x
  2. Step 2: Convert to fraction form
    9,518,316.51/13,135,429.41 = 5,167,399.35/x
  3. Step 3: Cross multiply
    9,518,316.51x = 13,135,429.41 × 5,167,399.35
  4. Step 4: Simplify right side
    9,518,316.51x = 67,876,009,395,204.88
  5. Step 5: Solve for x
    x = 67,876,009,395,204.88/9,518,316.51
  6. Step 6: Final answer
    x = 7,131,093.96

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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.