Home / 15,822,825.68-21,835,408.20-8,579,326.16

Finding the Fourth Proportional to 15,822,825.68, 21,835,408.20 and 8,579,326.16

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Solution

The fourth proportional to 15,822,825.68, 21,835,408.20 and 8,579,326.16 is: 11,839,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,825.68 : 21,835,408.20 = 8,579,326.16 : x
  2. Step 2: Convert to fraction form
    15,822,825.68/21,835,408.20 = 8,579,326.16/x
  3. Step 3: Cross multiply
    15,822,825.68x = 21,835,408.20 × 8,579,326.16
  4. Step 4: Simplify right side
    15,822,825.68x = 187,333,088,784,538.50
  5. Step 5: Solve for x
    x = 187,333,088,784,538.50/15,822,825.68
  6. Step 6: Final answer
    x = 11,839,420.63

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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.