Home / 7,784,193.79-10,742,123.28-4,251,993.32

Finding the Fourth Proportional to 7,784,193.79, 10,742,123.28 and 4,251,993.32

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Solution

The fourth proportional to 7,784,193.79, 10,742,123.28 and 4,251,993.32 is: 5,867,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784,193.79 : 10,742,123.28 = 4,251,993.32 : x
  2. Step 2: Convert to fraction form
    7,784,193.79/10,742,123.28 = 4,251,993.32/x
  3. Step 3: Cross multiply
    7,784,193.79x = 10,742,123.28 × 4,251,993.32
  4. Step 4: Simplify right side
    7,784,193.79x = 45,675,436,429,176.49
  5. Step 5: Solve for x
    x = 45,675,436,429,176.49/7,784,193.79
  6. Step 6: Final answer
    x = 5,867,715.74

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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.