Home / 19,008,093.40-28,462,373.70-13,931,920.60

Finding the Fourth Proportional to 19,008,093.40, 28,462,373.70 and 13,931,920.60

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Solution

The fourth proportional to 19,008,093.40, 28,462,373.70 and 13,931,920.60 is: 20,861,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,093.40 : 28,462,373.70 = 13,931,920.60 : x
  2. Step 2: Convert to fraction form
    19,008,093.40/28,462,373.70 = 13,931,920.60/x
  3. Step 3: Cross multiply
    19,008,093.40x = 28,462,373.70 × 13,931,920.60
  4. Step 4: Simplify right side
    19,008,093.40x = 396,535,530,475,928.19
  5. Step 5: Solve for x
    x = 396,535,530,475,928.19/19,008,093.40
  6. Step 6: Final answer
    x = 20,861,404.78

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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.