Home / 34,353,398.25-47,407,788-19,669,289.76

Finding the Fourth Proportional to 34,353,398.25, 47,407,788 and 19,669,289.76

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Solution

The fourth proportional to 34,353,398.25, 47,407,788 and 19,669,289.76 is: 27,143,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353,398.25 : 47,407,788 = 19,669,289.76 : x
  2. Step 2: Convert to fraction form
    34,353,398.25/47,407,788 = 19,669,289.76/x
  3. Step 3: Cross multiply
    34,353,398.25x = 47,407,788 × 19,669,289.76
  4. Step 4: Simplify right side
    34,353,398.25x = 932,477,519,052,651
  5. Step 5: Solve for x
    x = 932,477,519,052,651/34,353,398.25
  6. Step 6: Final answer
    x = 27,143,676.22

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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.