Home / 13,742,760.39-20,616,674.78-4,521,251.84

Finding the Fourth Proportional to 13,742,760.39, 20,616,674.78 and 4,521,251.84

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Solution

The fourth proportional to 13,742,760.39, 20,616,674.78 and 4,521,251.84 is: 6,782,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,760.39 : 20,616,674.78 = 4,521,251.84 : x
  2. Step 2: Convert to fraction form
    13,742,760.39/20,616,674.78 = 4,521,251.84/x
  3. Step 3: Cross multiply
    13,742,760.39x = 20,616,674.78 × 4,521,251.84
  4. Step 4: Simplify right side
    13,742,760.39x = 93,213,178,783,756.59
  5. Step 5: Solve for x
    x = 93,213,178,783,756.59/13,742,760.39
  6. Step 6: Final answer
    x = 6,782,711.49

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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.