Home / 12,349,842.70-17,043,156.60-6,842,702.30

Finding the Fourth Proportional to 12,349,842.70, 17,043,156.60 and 6,842,702.30

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Solution

The fourth proportional to 12,349,842.70, 17,043,156.60 and 6,842,702.30 is: 9,443,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,842.70 : 17,043,156.60 = 6,842,702.30 : x
  2. Step 2: Convert to fraction form
    12,349,842.70/17,043,156.60 = 6,842,702.30/x
  3. Step 3: Cross multiply
    12,349,842.70x = 17,043,156.60 × 6,842,702.30
  4. Step 4: Simplify right side
    12,349,842.70x = 116,621,246,876,293.05
  5. Step 5: Solve for x
    x = 116,621,246,876,293.05/12,349,842.70
  6. Step 6: Final answer
    x = 9,443,136.22

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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.