Home / 12,676,621.90-17,494,134.23-7,169,889

Finding the Fourth Proportional to 12,676,621.90, 17,494,134.23 and 7,169,889

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Solution

The fourth proportional to 12,676,621.90, 17,494,134.23 and 7,169,889 is: 9,894,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,676,621.90 : 17,494,134.23 = 7,169,889 : x
  2. Step 2: Convert to fraction form
    12,676,621.90/17,494,134.23 = 7,169,889/x
  3. Step 3: Cross multiply
    12,676,621.90x = 17,494,134.23 × 7,169,889
  4. Step 4: Simplify right side
    12,676,621.90x = 125,431,000,580,200.47
  5. Step 5: Solve for x
    x = 125,431,000,580,200.47/12,676,621.90
  6. Step 6: Final answer
    x = 9,894,670.80

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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.