Home / 12,381,255.64-17,085,300.15-6,874,345.90

Finding the Fourth Proportional to 12,381,255.64, 17,085,300.15 and 6,874,345.90

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Solution

The fourth proportional to 12,381,255.64, 17,085,300.15 and 6,874,345.90 is: 9,486,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,255.64 : 17,085,300.15 = 6,874,345.90 : x
  2. Step 2: Convert to fraction form
    12,381,255.64/17,085,300.15 = 6,874,345.90/x
  3. Step 3: Cross multiply
    12,381,255.64x = 17,085,300.15 × 6,874,345.90
  4. Step 4: Simplify right side
    12,381,255.64x = 117,450,263,036,421.88
  5. Step 5: Solve for x
    x = 117,450,263,036,421.88/12,381,255.64
  6. Step 6: Final answer
    x = 9,486,135.05

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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.