Home / 19,312,858.80-28,969,288.20-10,354,906.80

Finding the Fourth Proportional to 19,312,858.80, 28,969,288.20 and 10,354,906.80

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Solution

The fourth proportional to 19,312,858.80, 28,969,288.20 and 10,354,906.80 is: 15,532,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,858.80 : 28,969,288.20 = 10,354,906.80 : x
  2. Step 2: Convert to fraction form
    19,312,858.80/28,969,288.20 = 10,354,906.80/x
  3. Step 3: Cross multiply
    19,312,858.80x = 28,969,288.20 × 10,354,906.80
  4. Step 4: Simplify right side
    19,312,858.80x = 299,974,279,373,339.75
  5. Step 5: Solve for x
    x = 299,974,279,373,339.75/19,312,858.80
  6. Step 6: Final answer
    x = 15,532,360.20

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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.