Home / 12,260,664.06-16,920,241.29-6,828,156.06

Finding the Fourth Proportional to 12,260,664.06, 16,920,241.29 and 6,828,156.06

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Solution

The fourth proportional to 12,260,664.06, 16,920,241.29 and 6,828,156.06 is: 9,423,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,664.06 : 16,920,241.29 = 6,828,156.06 : x
  2. Step 2: Convert to fraction form
    12,260,664.06/16,920,241.29 = 6,828,156.06/x
  3. Step 3: Cross multiply
    12,260,664.06x = 16,920,241.29 × 6,828,156.06
  4. Step 4: Simplify right side
    12,260,664.06x = 115,534,048,100,975.70
  5. Step 5: Solve for x
    x = 115,534,048,100,975.70/12,260,664.06
  6. Step 6: Final answer
    x = 9,423,147.68

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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.