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Finding the Fourth Proportional to 16,308,698.80, 24,463,048.20 and 6,719,141.20

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Solution

The fourth proportional to 16,308,698.80, 24,463,048.20 and 6,719,141.20 is: 10,078,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,308,698.80 : 24,463,048.20 = 6,719,141.20 : x
  2. Step 2: Convert to fraction form
    16,308,698.80/24,463,048.20 = 6,719,141.20/x
  3. Step 3: Cross multiply
    16,308,698.80x = 24,463,048.20 × 6,719,141.20
  4. Step 4: Simplify right side
    16,308,698.80x = 164,370,675,038,205.84
  5. Step 5: Solve for x
    x = 164,370,675,038,205.84/16,308,698.80
  6. Step 6: Final answer
    x = 10,078,711.80

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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.