Home / 13,116,917.78-19,677,898.55-5,029,262.65

Finding the Fourth Proportional to 13,116,917.78, 19,677,898.55 and 5,029,262.65

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Solution

The fourth proportional to 13,116,917.78, 19,677,898.55 and 5,029,262.65 is: 7,544,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,917.78 : 19,677,898.55 = 5,029,262.65 : x
  2. Step 2: Convert to fraction form
    13,116,917.78/19,677,898.55 = 5,029,262.65/x
  3. Step 3: Cross multiply
    13,116,917.78x = 19,677,898.55 × 5,029,262.65
  4. Step 4: Simplify right side
    13,116,917.78x = 98,965,320,182,857.86
  5. Step 5: Solve for x
    x = 98,965,320,182,857.86/13,116,917.78
  6. Step 6: Final answer
    x = 7,544,860.91

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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.