Home / 21,032,022.10-31,548,033.15-8,252,943.70

Finding the Fourth Proportional to 21,032,022.10, 31,548,033.15 and 8,252,943.70

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Solution

The fourth proportional to 21,032,022.10, 31,548,033.15 and 8,252,943.70 is: 12,379,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,022.10 : 31,548,033.15 = 8,252,943.70 : x
  2. Step 2: Convert to fraction form
    21,032,022.10/31,548,033.15 = 8,252,943.70/x
  3. Step 3: Cross multiply
    21,032,022.10x = 31,548,033.15 × 8,252,943.70
  4. Step 4: Simplify right side
    21,032,022.10x = 260,364,141,432,683.66
  5. Step 5: Solve for x
    x = 260,364,141,432,683.66/21,032,022.10
  6. Step 6: Final answer
    x = 12,379,415.55

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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.