Home / 21,033,588.65-31,553,869.82-7,383,193.13

Finding the Fourth Proportional to 21,033,588.65, 31,553,869.82 and 7,383,193.13

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Solution

The fourth proportional to 21,033,588.65, 31,553,869.82 and 7,383,193.13 is: 11,076,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,588.65 : 31,553,869.82 = 7,383,193.13 : x
  2. Step 2: Convert to fraction form
    21,033,588.65/31,553,869.82 = 7,383,193.13/x
  3. Step 3: Cross multiply
    21,033,588.65x = 31,553,869.82 × 7,383,193.13
  4. Step 4: Simplify right side
    21,033,588.65x = 232,968,314,879,938.34
  5. Step 5: Solve for x
    x = 232,968,314,879,938.34/21,033,588.65
  6. Step 6: Final answer
    x = 11,076,013.64

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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.