Home / 12,704,437.78-19,045,941.86-5,510,555.22

Finding the Fourth Proportional to 12,704,437.78, 19,045,941.86 and 5,510,555.22

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Solution

The fourth proportional to 12,704,437.78, 19,045,941.86 and 5,510,555.22 is: 8,261,185.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704,437.78 : 19,045,941.86 = 5,510,555.22 : x
  2. Step 2: Convert to fraction form
    12,704,437.78/19,045,941.86 = 5,510,555.22/x
  3. Step 3: Cross multiply
    12,704,437.78x = 19,045,941.86 × 5,510,555.22
  4. Step 4: Simplify right side
    12,704,437.78x = 104,953,714,336,439.50
  5. Step 5: Solve for x
    x = 104,953,714,336,439.50/12,704,437.78
  6. Step 6: Final answer
    x = 8,261,185.28

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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.