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Finding the Fourth Proportional to 16,607,620.80, 24,911,431.20 and 10,197,086.40

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Solution

The fourth proportional to 16,607,620.80, 24,911,431.20 and 10,197,086.40 is: 15,295,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607,620.80 : 24,911,431.20 = 10,197,086.40 : x
  2. Step 2: Convert to fraction form
    16,607,620.80/24,911,431.20 = 10,197,086.40/x
  3. Step 3: Cross multiply
    16,607,620.80x = 24,911,431.20 × 10,197,086.40
  4. Step 4: Simplify right side
    16,607,620.80x = 254,024,016,294,055.69
  5. Step 5: Solve for x
    x = 254,024,016,294,055.69/16,607,620.80
  6. Step 6: Final answer
    x = 15,295,629.60

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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.