Home / 12,771,142.60-19,166,045.10-8,992,006.60

Finding the Fourth Proportional to 12,771,142.60, 19,166,045.10 and 8,992,006.60

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Solution

The fourth proportional to 12,771,142.60, 19,166,045.10 and 8,992,006.60 is: 13,494,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,142.60 : 19,166,045.10 = 8,992,006.60 : x
  2. Step 2: Convert to fraction form
    12,771,142.60/19,166,045.10 = 8,992,006.60/x
  3. Step 3: Cross multiply
    12,771,142.60x = 19,166,045.10 × 8,992,006.60
  4. Step 4: Simplify right side
    12,771,142.60x = 172,341,204,035,097.66
  5. Step 5: Solve for x
    x = 172,341,204,035,097.66/12,771,142.60
  6. Step 6: Final answer
    x = 13,494,579.88

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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.