Home / 11,689,018.40-16,129,448.16-6,461,320.34

Finding the Fourth Proportional to 11,689,018.40, 16,129,448.16 and 6,461,320.34

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Solution

The fourth proportional to 11,689,018.40, 16,129,448.16 and 6,461,320.34 is: 8,915,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,018.40 : 16,129,448.16 = 6,461,320.34 : x
  2. Step 2: Convert to fraction form
    11,689,018.40/16,129,448.16 = 6,461,320.34/x
  3. Step 3: Cross multiply
    11,689,018.40x = 16,129,448.16 × 6,461,320.34
  4. Step 4: Simplify right side
    11,689,018.40x = 104,217,531,469,183.58
  5. Step 5: Solve for x
    x = 104,217,531,469,183.58/11,689,018.40
  6. Step 6: Final answer
    x = 8,915,849.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.