Home / 53,347,399.92-80,021,100.84-12,957,611.76

Finding the Fourth Proportional to 53,347,399.92, 80,021,100.84 and 12,957,611.76

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Solution

The fourth proportional to 53,347,399.92, 80,021,100.84 and 12,957,611.76 is: 19,436,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347,399.92 : 80,021,100.84 = 12,957,611.76 : x
  2. Step 2: Convert to fraction form
    53,347,399.92/80,021,100.84 = 12,957,611.76/x
  3. Step 3: Cross multiply
    53,347,399.92x = 80,021,100.84 × 12,957,611.76
  4. Step 4: Simplify right side
    53,347,399.92x = 1,036,882,357,292,529.88
  5. Step 5: Solve for x
    x = 1,036,882,357,292,529.88/53,347,399.92
  6. Step 6: Final answer
    x = 19,436,417.87

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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.