Home / 10,907,657.40-16,341,803.10-5,215,333.80

Finding the Fourth Proportional to 10,907,657.40, 16,341,803.10 and 5,215,333.80

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Solution

The fourth proportional to 10,907,657.40, 16,341,803.10 and 5,215,333.80 is: 7,813,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907,657.40 : 16,341,803.10 = 5,215,333.80 : x
  2. Step 2: Convert to fraction form
    10,907,657.40/16,341,803.10 = 5,215,333.80/x
  3. Step 3: Cross multiply
    10,907,657.40x = 16,341,803.10 × 5,215,333.80
  4. Step 4: Simplify right side
    10,907,657.40x = 85,227,958,060,374.78
  5. Step 5: Solve for x
    x = 85,227,958,060,374.78/10,907,657.40
  6. Step 6: Final answer
    x = 7,813,589.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.