Home / 13,172,514.20-19,771,212.90-8,133,666.20

Finding the Fourth Proportional to 13,172,514.20, 19,771,212.90 and 8,133,666.20

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Solution

The fourth proportional to 13,172,514.20, 19,771,212.90 and 8,133,666.20 is: 12,208,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,514.20 : 19,771,212.90 = 8,133,666.20 : x
  2. Step 2: Convert to fraction form
    13,172,514.20/19,771,212.90 = 8,133,666.20/x
  3. Step 3: Cross multiply
    13,172,514.20x = 19,771,212.90 × 8,133,666.20
  4. Step 4: Simplify right side
    13,172,514.20x = 160,812,446,097,733.97
  5. Step 5: Solve for x
    x = 160,812,446,097,733.97/13,172,514.20
  6. Step 6: Final answer
    x = 12,208,181.65

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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.