Home / 13,742,909.01-20,609,785.85-5,543,433.50

Finding the Fourth Proportional to 13,742,909.01, 20,609,785.85 and 5,543,433.50

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Solution

The fourth proportional to 13,742,909.01, 20,609,785.85 and 5,543,433.50 is: 8,313,303.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,909.01 : 20,609,785.85 = 5,543,433.50 : x
  2. Step 2: Convert to fraction form
    13,742,909.01/20,609,785.85 = 5,543,433.50/x
  3. Step 3: Cross multiply
    13,742,909.01x = 20,609,785.85 × 5,543,433.50
  4. Step 4: Simplify right side
    13,742,909.01x = 114,248,977,177,949.88
  5. Step 5: Solve for x
    x = 114,248,977,177,949.88/13,742,909.01
  6. Step 6: Final answer
    x = 8,313,303.76

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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.