Home / 16,915,857.49-23,343,905.86-9,180,899.81

Finding the Fourth Proportional to 16,915,857.49, 23,343,905.86 and 9,180,899.81

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Solution

The fourth proportional to 16,915,857.49, 23,343,905.86 and 9,180,899.81 is: 12,669,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,857.49 : 23,343,905.86 = 9,180,899.81 : x
  2. Step 2: Convert to fraction form
    16,915,857.49/23,343,905.86 = 9,180,899.81/x
  3. Step 3: Cross multiply
    16,915,857.49x = 23,343,905.86 × 9,180,899.81
  4. Step 4: Simplify right side
    16,915,857.49x = 214,318,060,956,043.91
  5. Step 5: Solve for x
    x = 214,318,060,956,043.91/16,915,857.49
  6. Step 6: Final answer
    x = 12,669,653.97

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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.