Home / 10,903,148.20-16,354,722.30-7,543,916.20

Finding the Fourth Proportional to 10,903,148.20, 16,354,722.30 and 7,543,916.20

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Solution

The fourth proportional to 10,903,148.20, 16,354,722.30 and 7,543,916.20 is: 11,315,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,148.20 : 16,354,722.30 = 7,543,916.20 : x
  2. Step 2: Convert to fraction form
    10,903,148.20/16,354,722.30 = 7,543,916.20/x
  3. Step 3: Cross multiply
    10,903,148.20x = 16,354,722.30 × 7,543,916.20
  4. Step 4: Simplify right side
    10,903,148.20x = 123,378,654,505,471.27
  5. Step 5: Solve for x
    x = 123,378,654,505,471.27/10,903,148.20
  6. Step 6: Final answer
    x = 11,315,874.30

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1.5x scale

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.