Home / 12,260,664.56-16,920,241.98-6,828,156.56

Finding the Fourth Proportional to 12,260,664.56, 16,920,241.98 and 6,828,156.56

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Solution

The fourth proportional to 12,260,664.56, 16,920,241.98 and 6,828,156.56 is: 9,423,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,664.56 : 16,920,241.98 = 6,828,156.56 : x
  2. Step 2: Convert to fraction form
    12,260,664.56/16,920,241.98 = 6,828,156.56/x
  3. Step 3: Cross multiply
    12,260,664.56x = 16,920,241.98 × 6,828,156.56
  4. Step 4: Simplify right side
    12,260,664.56x = 115,534,061,272,524.39
  5. Step 5: Solve for x
    x = 115,534,061,272,524.39/12,260,664.56
  6. Step 6: Final answer
    x = 9,423,148.37

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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.