Home / 12,074,349.21-16,671,954.60-9,279,044.79

Finding the Fourth Proportional to 12,074,349.21, 16,671,954.60 and 9,279,044.79

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Solution

The fourth proportional to 12,074,349.21, 16,671,954.60 and 9,279,044.79 is: 12,812,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,349.21 : 16,671,954.60 = 9,279,044.79 : x
  2. Step 2: Convert to fraction form
    12,074,349.21/16,671,954.60 = 9,279,044.79/x
  3. Step 3: Cross multiply
    12,074,349.21x = 16,671,954.60 × 9,279,044.79
  4. Step 4: Simplify right side
    12,074,349.21x = 154,699,813,470,246.53
  5. Step 5: Solve for x
    x = 154,699,813,470,246.53/12,074,349.21
  6. Step 6: Final answer
    x = 12,812,269.28

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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.