Home / 19,123,883.15-28,685,133.53-7,764,011.15

Finding the Fourth Proportional to 19,123,883.15, 28,685,133.53 and 7,764,011.15

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Solution

The fourth proportional to 19,123,883.15, 28,685,133.53 and 7,764,011.15 is: 11,645,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,883.15 : 28,685,133.53 = 7,764,011.15 : x
  2. Step 2: Convert to fraction form
    19,123,883.15/28,685,133.53 = 7,764,011.15/x
  3. Step 3: Cross multiply
    19,123,883.15x = 28,685,133.53 × 7,764,011.15
  4. Step 4: Simplify right side
    19,123,883.15x = 222,711,696,527,338.81
  5. Step 5: Solve for x
    x = 222,711,696,527,338.81/19,123,883.15
  6. Step 6: Final answer
    x = 11,645,736.11

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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.