Home / 12,958,282.72-19,457,400.30-10,962,747.28

Finding the Fourth Proportional to 12,958,282.72, 19,457,400.30 and 10,962,747.28

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Solution

The fourth proportional to 12,958,282.72, 19,457,400.30 and 10,962,747.28 is: 16,461,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,282.72 : 19,457,400.30 = 10,962,747.28 : x
  2. Step 2: Convert to fraction form
    12,958,282.72/19,457,400.30 = 10,962,747.28/x
  3. Step 3: Cross multiply
    12,958,282.72x = 19,457,400.30 × 10,962,747.28
  4. Step 4: Simplify right side
    12,958,282.72x = 213,306,562,214,696.19
  5. Step 5: Solve for x
    x = 213,306,562,214,696.19/12,958,282.72
  6. Step 6: Final answer
    x = 16,461,020.86

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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.