Home / 12,490,920-17,237,481.12-6,767,784

Finding the Fourth Proportional to 12,490,920, 17,237,481.12 and 6,767,784

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Solution

The fourth proportional to 12,490,920, 17,237,481.12 and 6,767,784 is: 9,339,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,920 : 17,237,481.12 = 6,767,784 : x
  2. Step 2: Convert to fraction form
    12,490,920/17,237,481.12 = 6,767,784/x
  3. Step 3: Cross multiply
    12,490,920x = 17,237,481.12 × 6,767,784
  4. Step 4: Simplify right side
    12,490,920x = 116,659,548,924,238.09
  5. Step 5: Solve for x
    x = 116,659,548,924,238.09/12,490,920
  6. Step 6: Final answer
    x = 9,339,548.16

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1.5x scale

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.