Home / 19,307,288.10-26,622,223.42-12,328,789.80

Finding the Fourth Proportional to 19,307,288.10, 26,622,223.42 and 12,328,789.80

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Solution

The fourth proportional to 19,307,288.10, 26,622,223.42 and 12,328,789.80 is: 16,999,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307,288.10 : 26,622,223.42 = 12,328,789.80 : x
  2. Step 2: Convert to fraction form
    19,307,288.10/26,622,223.42 = 12,328,789.80/x
  3. Step 3: Cross multiply
    19,307,288.10x = 26,622,223.42 × 12,328,789.80
  4. Step 4: Simplify right side
    19,307,288.10x = 328,219,796,553,817.19
  5. Step 5: Solve for x
    x = 328,219,796,553,817.19/19,307,288.10
  6. Step 6: Final answer
    x = 16,999,787.59

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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.