Home / 12,786,113.96-19,186,737.56-4,704,764.48

Finding the Fourth Proportional to 12,786,113.96, 19,186,737.56 and 4,704,764.48

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Solution

The fourth proportional to 12,786,113.96, 19,186,737.56 and 4,704,764.48 is: 7,059,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,113.96 : 19,186,737.56 = 4,704,764.48 : x
  2. Step 2: Convert to fraction form
    12,786,113.96/19,186,737.56 = 4,704,764.48/x
  3. Step 3: Cross multiply
    12,786,113.96x = 19,186,737.56 × 4,704,764.48
  4. Step 4: Simplify right side
    12,786,113.96x = 90,269,081,359,369.88
  5. Step 5: Solve for x
    x = 90,269,081,359,369.88/12,786,113.96
  6. Step 6: Final answer
    x = 7,059,930.93

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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.