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Finding the Fourth Proportional to 16,394,749.60, 24,607,870.80 and 8,316,846.40

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Solution

The fourth proportional to 16,394,749.60, 24,607,870.80 and 8,316,846.40 is: 12,483,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394,749.60 : 24,607,870.80 = 8,316,846.40 : x
  2. Step 2: Convert to fraction form
    16,394,749.60/24,607,870.80 = 8,316,846.40/x
  3. Step 3: Cross multiply
    16,394,749.60x = 24,607,870.80 × 8,316,846.40
  4. Step 4: Simplify right side
    16,394,749.60x = 204,659,881,674,645.12
  5. Step 5: Solve for x
    x = 204,659,881,674,645.12/16,394,749.60
  6. Step 6: Final answer
    x = 12,483,257.55

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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.