Home / 14,192,791.49-19,586,059.83-7,666,420.82

Finding the Fourth Proportional to 14,192,791.49, 19,586,059.83 and 7,666,420.82

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Solution

The fourth proportional to 14,192,791.49, 19,586,059.83 and 7,666,420.82 is: 10,579,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192,791.49 : 19,586,059.83 = 7,666,420.82 : x
  2. Step 2: Convert to fraction form
    14,192,791.49/19,586,059.83 = 7,666,420.82/x
  3. Step 3: Cross multiply
    14,192,791.49x = 19,586,059.83 × 7,666,420.82
  4. Step 4: Simplify right side
    14,192,791.49x = 150,154,976,764,547.34
  5. Step 5: Solve for x
    x = 150,154,976,764,547.34/14,192,791.49
  6. Step 6: Final answer
    x = 10,579,664.81

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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.