Home / 12,382,533.08-17,088,978.54-6,876,984.34

Finding the Fourth Proportional to 12,382,533.08, 17,088,978.54 and 6,876,984.34

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Solution

The fourth proportional to 12,382,533.08, 17,088,978.54 and 6,876,984.34 is: 9,490,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,533.08 : 17,088,978.54 = 6,876,984.34 : x
  2. Step 2: Convert to fraction form
    12,382,533.08/17,088,978.54 = 6,876,984.34/x
  3. Step 3: Cross multiply
    12,382,533.08x = 17,088,978.54 × 6,876,984.34
  4. Step 4: Simplify right side
    12,382,533.08x = 117,520,637,853,325.97
  5. Step 5: Solve for x
    x = 117,520,637,853,325.97/12,382,533.08
  6. Step 6: Final answer
    x = 9,490,839.81

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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.