Home / 28,925,560.50-43,400,506.95-18,004,879.68

Finding the Fourth Proportional to 28,925,560.50, 43,400,506.95 and 18,004,879.68

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Solution

The fourth proportional to 28,925,560.50, 43,400,506.95 and 18,004,879.68 is: 27,014,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925,560.50 : 43,400,506.95 = 18,004,879.68 : x
  2. Step 2: Convert to fraction form
    28,925,560.50/43,400,506.95 = 18,004,879.68/x
  3. Step 3: Cross multiply
    28,925,560.50x = 43,400,506.95 × 18,004,879.68
  4. Step 4: Simplify right side
    28,925,560.50x = 781,420,905,685,753.88
  5. Step 5: Solve for x
    x = 781,420,905,685,753.88/28,925,560.50
  6. Step 6: Final answer
    x = 27,014,892.44

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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.