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Finding the Fourth Proportional to 16,674,830.64, 25,007,745.96 and 5,890,711.68

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Solution

The fourth proportional to 16,674,830.64, 25,007,745.96 and 5,890,711.68 is: 8,834,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674,830.64 : 25,007,745.96 = 5,890,711.68 : x
  2. Step 2: Convert to fraction form
    16,674,830.64/25,007,745.96 = 5,890,711.68/x
  3. Step 3: Cross multiply
    16,674,830.64x = 25,007,745.96 × 5,890,711.68
  4. Step 4: Simplify right side
    16,674,830.64x = 147,313,421,217,044.81
  5. Step 5: Solve for x
    x = 147,313,421,217,044.81/16,674,830.64
  6. Step 6: Final answer
    x = 8,834,477.81

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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.