Home / 9,661,109.40-14,491,664.10-8,078,596.20

Finding the Fourth Proportional to 9,661,109.40, 14,491,664.10 and 8,078,596.20

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Solution

The fourth proportional to 9,661,109.40, 14,491,664.10 and 8,078,596.20 is: 12,117,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,109.40 : 14,491,664.10 = 8,078,596.20 : x
  2. Step 2: Convert to fraction form
    9,661,109.40/14,491,664.10 = 8,078,596.20/x
  3. Step 3: Cross multiply
    9,661,109.40x = 14,491,664.10 × 8,078,596.20
  4. Step 4: Simplify right side
    9,661,109.40x = 117,072,302,529,936.42
  5. Step 5: Solve for x
    x = 117,072,302,529,936.42/9,661,109.40
  6. Step 6: Final answer
    x = 12,117,894.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.