Home / 28,768,176.60-43,152,264.90-18,018,634.20

Finding the Fourth Proportional to 28,768,176.60, 43,152,264.90 and 18,018,634.20

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Solution

The fourth proportional to 28,768,176.60, 43,152,264.90 and 18,018,634.20 is: 27,027,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768,176.60 : 43,152,264.90 = 18,018,634.20 : x
  2. Step 2: Convert to fraction form
    28,768,176.60/43,152,264.90 = 18,018,634.20/x
  3. Step 3: Cross multiply
    28,768,176.60x = 43,152,264.90 × 18,018,634.20
  4. Step 4: Simplify right side
    28,768,176.60x = 777,544,876,134,599.50
  5. Step 5: Solve for x
    x = 777,544,876,134,599.50/28,768,176.60
  6. Step 6: Final answer
    x = 27,027,951.30

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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.