Home / 16,915,896.71-23,343,960.50-9,180,939.13

Finding the Fourth Proportional to 16,915,896.71, 23,343,960.50 and 9,180,939.13

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Solution

The fourth proportional to 16,915,896.71, 23,343,960.50 and 9,180,939.13 is: 12,669,708.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,896.71 : 23,343,960.50 = 9,180,939.13 : x
  2. Step 2: Convert to fraction form
    16,915,896.71/23,343,960.50 = 9,180,939.13/x
  3. Step 3: Cross multiply
    16,915,896.71x = 23,343,960.50 × 9,180,939.13
  4. Step 4: Simplify right side
    16,915,896.71x = 214,319,480,403,624.38
  5. Step 5: Solve for x
    x = 214,319,480,403,624.38/16,915,896.71
  6. Step 6: Final answer
    x = 12,669,708.50

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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.