Home / 10,555,877.40-15,833,816.10-9,422,136.60

Finding the Fourth Proportional to 10,555,877.40, 15,833,816.10 and 9,422,136.60

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Solution

The fourth proportional to 10,555,877.40, 15,833,816.10 and 9,422,136.60 is: 14,133,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,877.40 : 15,833,816.10 = 9,422,136.60 : x
  2. Step 2: Convert to fraction form
    10,555,877.40/15,833,816.10 = 9,422,136.60/x
  3. Step 3: Cross multiply
    10,555,877.40x = 15,833,816.10 × 9,422,136.60
  4. Step 4: Simplify right side
    10,555,877.40x = 149,188,378,193,479.25
  5. Step 5: Solve for x
    x = 149,188,378,193,479.25/10,555,877.40
  6. Step 6: Final answer
    x = 14,133,204.90

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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.