Home / 15,294,553.83-21,107,018.21-8,325,805.32

Finding the Fourth Proportional to 15,294,553.83, 21,107,018.21 and 8,325,805.32

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Solution

The fourth proportional to 15,294,553.83, 21,107,018.21 and 8,325,805.32 is: 11,489,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,553.83 : 21,107,018.21 = 8,325,805.32 : x
  2. Step 2: Convert to fraction form
    15,294,553.83/21,107,018.21 = 8,325,805.32/x
  3. Step 3: Cross multiply
    15,294,553.83x = 21,107,018.21 × 8,325,805.32
  4. Step 4: Simplify right side
    15,294,553.83x = 175,732,924,460,525.84
  5. Step 5: Solve for x
    x = 175,732,924,460,525.84/15,294,553.83
  6. Step 6: Final answer
    x = 11,489,901.99

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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.