Home / 9,138,893.12-12,617,415.58-5,881,381.32

Finding the Fourth Proportional to 9,138,893.12, 12,617,415.58 and 5,881,381.32

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Solution

The fourth proportional to 9,138,893.12, 12,617,415.58 and 5,881,381.32 is: 8,120,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,893.12 : 12,617,415.58 = 5,881,381.32 : x
  2. Step 2: Convert to fraction form
    9,138,893.12/12,617,415.58 = 5,881,381.32/x
  3. Step 3: Cross multiply
    9,138,893.12x = 12,617,415.58 × 5,881,381.32
  4. Step 4: Simplify right side
    9,138,893.12x = 74,207,832,298,888.97
  5. Step 5: Solve for x
    x = 74,207,832,298,888.97/9,138,893.12
  6. Step 6: Final answer
    x = 8,120,002.21

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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.