Home / 16,789,298.40-25,183,947.60-15,445,605.60

Finding the Fourth Proportional to 16,789,298.40, 25,183,947.60 and 15,445,605.60

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Solution

The fourth proportional to 16,789,298.40, 25,183,947.60 and 15,445,605.60 is: 23,168,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789,298.40 : 25,183,947.60 = 15,445,605.60 : x
  2. Step 2: Convert to fraction form
    16,789,298.40/25,183,947.60 = 15,445,605.60/x
  3. Step 3: Cross multiply
    16,789,298.40x = 25,183,947.60 × 15,445,605.60
  4. Step 4: Simplify right side
    16,789,298.40x = 388,981,322,080,666.56
  5. Step 5: Solve for x
    x = 388,981,322,080,666.56/16,789,298.40
  6. Step 6: Final answer
    x = 23,168,408.40

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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.