Home / 21,409,563.77-29,545,225.67-11,620,006.85

Finding the Fourth Proportional to 21,409,563.77, 29,545,225.67 and 11,620,006.85

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Solution

The fourth proportional to 21,409,563.77, 29,545,225.67 and 11,620,006.85 is: 16,035,624.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,563.77 : 29,545,225.67 = 11,620,006.85 : x
  2. Step 2: Convert to fraction form
    21,409,563.77/29,545,225.67 = 11,620,006.85/x
  3. Step 3: Cross multiply
    21,409,563.77x = 29,545,225.67 × 11,620,006.85
  4. Step 4: Simplify right side
    21,409,563.77x = 343,315,724,464,369.69
  5. Step 5: Solve for x
    x = 343,315,724,464,369.69/21,409,563.77
  6. Step 6: Final answer
    x = 16,035,624.46

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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.