Home / 28,512,145.60-42,768,218.40-8,041,825.60

Finding the Fourth Proportional to 28,512,145.60, 42,768,218.40 and 8,041,825.60

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Solution

The fourth proportional to 28,512,145.60, 42,768,218.40 and 8,041,825.60 is: 12,062,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,145.60 : 42,768,218.40 = 8,041,825.60 : x
  2. Step 2: Convert to fraction form
    28,512,145.60/42,768,218.40 = 8,041,825.60/x
  3. Step 3: Cross multiply
    28,512,145.60x = 42,768,218.40 × 8,041,825.60
  4. Step 4: Simplify right side
    28,512,145.60x = 343,934,553,595,511
  5. Step 5: Solve for x
    x = 343,934,553,595,511/28,512,145.60
  6. Step 6: Final answer
    x = 12,062,738.40

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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.