Home / 12,704,440.88-19,045,945.56-5,510,555.84

Finding the Fourth Proportional to 12,704,440.88, 19,045,945.56 and 5,510,555.84

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Solution

The fourth proportional to 12,704,440.88, 19,045,945.56 and 5,510,555.84 is: 8,261,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,440.88 : 19,045,945.56 = 5,510,555.84 : x
  2. Step 2: Convert to fraction form
    12,704,440.88/19,045,945.56 = 5,510,555.84/x
  3. Step 3: Cross multiply
    12,704,440.88x = 19,045,945.56 × 5,510,555.84
  4. Step 4: Simplify right side
    12,704,440.88x = 104,953,746,533,980.06
  5. Step 5: Solve for x
    x = 104,953,746,533,980.06/12,704,440.88
  6. Step 6: Final answer
    x = 8,261,185.80

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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.