Home / 13,853,800.28-19,119,093.18-7,742,716.76

Finding the Fourth Proportional to 13,853,800.28, 19,119,093.18 and 7,742,716.76

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Solution

The fourth proportional to 13,853,800.28, 19,119,093.18 and 7,742,716.76 is: 10,685,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,800.28 : 19,119,093.18 = 7,742,716.76 : x
  2. Step 2: Convert to fraction form
    13,853,800.28/19,119,093.18 = 7,742,716.76/x
  3. Step 3: Cross multiply
    13,853,800.28x = 19,119,093.18 × 7,742,716.76
  4. Step 4: Simplify right side
    13,853,800.28x = 148,033,723,200,787.69
  5. Step 5: Solve for x
    x = 148,033,723,200,787.69/13,853,800.28
  6. Step 6: Final answer
    x = 10,685,423.51

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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.