Home / 20,885,684.64-31,328,483.54-11,783,650.26

Finding the Fourth Proportional to 20,885,684.64, 31,328,483.54 and 11,783,650.26

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Solution

The fourth proportional to 20,885,684.64, 31,328,483.54 and 11,783,650.26 is: 17,675,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,885,684.64 : 31,328,483.54 = 11,783,650.26 : x
  2. Step 2: Convert to fraction form
    20,885,684.64/31,328,483.54 = 11,783,650.26/x
  3. Step 3: Cross multiply
    20,885,684.64x = 31,328,483.54 × 11,783,650.26
  4. Step 4: Simplify right side
    20,885,684.64x = 369,163,893,211,526.69
  5. Step 5: Solve for x
    x = 369,163,893,211,526.69/20,885,684.64
  6. Step 6: Final answer
    x = 17,675,450.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.