Home / 11,975,405.72-16,526,065.95-6,468,780.29

Finding the Fourth Proportional to 11,975,405.72, 16,526,065.95 and 6,468,780.29

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Solution

The fourth proportional to 11,975,405.72, 16,526,065.95 and 6,468,780.29 is: 8,926,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975,405.72 : 16,526,065.95 = 6,468,780.29 : x
  2. Step 2: Convert to fraction form
    11,975,405.72/16,526,065.95 = 6,468,780.29/x
  3. Step 3: Cross multiply
    11,975,405.72x = 16,526,065.95 × 6,468,780.29
  4. Step 4: Simplify right side
    11,975,405.72x = 106,903,489,605,969.80
  5. Step 5: Solve for x
    x = 106,903,489,605,969.80/11,975,405.72
  6. Step 6: Final answer
    x = 8,926,920.07

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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.