Home / 13,973,143.71-19,282,740.78-7,861,557.63

Finding the Fourth Proportional to 13,973,143.71, 19,282,740.78 and 7,861,557.63

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Solution

The fourth proportional to 13,973,143.71, 19,282,740.78 and 7,861,557.63 is: 10,848,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973,143.71 : 19,282,740.78 = 7,861,557.63 : x
  2. Step 2: Convert to fraction form
    13,973,143.71/19,282,740.78 = 7,861,557.63/x
  3. Step 3: Cross multiply
    13,973,143.71x = 19,282,740.78 × 7,861,557.63
  4. Step 4: Simplify right side
    13,973,143.71x = 151,592,377,906,321.16
  5. Step 5: Solve for x
    x = 151,592,377,906,321.16/13,973,143.71
  6. Step 6: Final answer
    x = 10,848,838.39

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1.5x scale

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.