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Finding the Fourth Proportional to 34,497,464.80, 51,746,350.80 and 8,936,658.40

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Solution

The fourth proportional to 34,497,464.80, 51,746,350.80 and 8,936,658.40 is: 13,405,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,497,464.80 : 51,746,350.80 = 8,936,658.40 : x
  2. Step 2: Convert to fraction form
    34,497,464.80/51,746,350.80 = 8,936,658.40/x
  3. Step 3: Cross multiply
    34,497,464.80x = 51,746,350.80 × 8,936,658.40
  4. Step 4: Simplify right side
    34,497,464.80x = 462,439,460,546,166.69
  5. Step 5: Solve for x
    x = 462,439,460,546,166.69/34,497,464.80
  6. Step 6: Final answer
    x = 13,405,027.39

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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.