Home / 13,973,136.71-19,282,731.12-7,861,550.63

Finding the Fourth Proportional to 13,973,136.71, 19,282,731.12 and 7,861,550.63

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Solution

The fourth proportional to 13,973,136.71, 19,282,731.12 and 7,861,550.63 is: 10,848,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,136.71 : 19,282,731.12 = 7,861,550.63 : x
  2. Step 2: Convert to fraction form
    13,973,136.71/19,282,731.12 = 7,861,550.63/x
  3. Step 3: Cross multiply
    13,973,136.71x = 19,282,731.12 × 7,861,550.63
  4. Step 4: Simplify right side
    13,973,136.71x = 151,592,166,888,142.97
  5. Step 5: Solve for x
    x = 151,592,166,888,142.97/13,973,136.71
  6. Step 6: Final answer
    x = 10,848,828.73

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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.