Home / 20,777,606.40-31,166,409.60-12,262,022.40

Finding the Fourth Proportional to 20,777,606.40, 31,166,409.60 and 12,262,022.40

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Solution

The fourth proportional to 20,777,606.40, 31,166,409.60 and 12,262,022.40 is: 18,393,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,606.40 : 31,166,409.60 = 12,262,022.40 : x
  2. Step 2: Convert to fraction form
    20,777,606.40/31,166,409.60 = 12,262,022.40/x
  3. Step 3: Cross multiply
    20,777,606.40x = 31,166,409.60 × 12,262,022.40
  4. Step 4: Simplify right side
    20,777,606.40x = 382,163,212,642,775.06
  5. Step 5: Solve for x
    x = 382,163,212,642,775.06/20,777,606.40
  6. Step 6: Final answer
    x = 18,393,033.60

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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.