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Finding the Fourth Proportional to 16,787,720.20, 25,181,580.30 and 8,266,293.40

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Solution

The fourth proportional to 16,787,720.20, 25,181,580.30 and 8,266,293.40 is: 12,399,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787,720.20 : 25,181,580.30 = 8,266,293.40 : x
  2. Step 2: Convert to fraction form
    16,787,720.20/25,181,580.30 = 8,266,293.40/x
  3. Step 3: Cross multiply
    16,787,720.20x = 25,181,580.30 × 8,266,293.40
  4. Step 4: Simplify right side
    16,787,720.20x = 208,158,331,035,460.03
  5. Step 5: Solve for x
    x = 208,158,331,035,460.03/16,787,720.20
  6. Step 6: Final answer
    x = 12,399,440.10

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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.