Home / 12,469,302.86-17,219,521.53-11,789,980.87

Finding the Fourth Proportional to 12,469,302.86, 17,219,521.53 and 11,789,980.87

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Solution

The fourth proportional to 12,469,302.86, 17,219,521.53 and 11,789,980.87 is: 16,281,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,302.86 : 17,219,521.53 = 11,789,980.87 : x
  2. Step 2: Convert to fraction form
    12,469,302.86/17,219,521.53 = 11,789,980.87/x
  3. Step 3: Cross multiply
    12,469,302.86x = 17,219,521.53 × 11,789,980.87
  4. Step 4: Simplify right side
    12,469,302.86x = 203,017,829,343,155.53
  5. Step 5: Solve for x
    x = 203,017,829,343,155.53/12,469,302.86
  6. Step 6: Final answer
    x = 16,281,409.76

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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.