Home / 47,902,958.60-71,853,400.41-13,358,438.66

Finding the Fourth Proportional to 47,902,958.60, 71,853,400.41 and 13,358,438.66

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Solution

The fourth proportional to 47,902,958.60, 71,853,400.41 and 13,358,438.66 is: 20,037,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,902,958.60 : 71,853,400.41 = 13,358,438.66 : x
  2. Step 2: Convert to fraction form
    47,902,958.60/71,853,400.41 = 13,358,438.66/x
  3. Step 3: Cross multiply
    47,902,958.60x = 71,853,400.41 × 13,358,438.66
  4. Step 4: Simplify right side
    47,902,958.60x = 959,849,241,889,403.88
  5. Step 5: Solve for x
    x = 959,849,241,889,403.88/47,902,958.60
  6. Step 6: Final answer
    x = 20,037,368.67

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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.