Home / 21,032,026.10-31,548,039.15-8,252,947.70

Finding the Fourth Proportional to 21,032,026.10, 31,548,039.15 and 8,252,947.70

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Solution

The fourth proportional to 21,032,026.10, 31,548,039.15 and 8,252,947.70 is: 12,379,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,026.10 : 31,548,039.15 = 8,252,947.70 : x
  2. Step 2: Convert to fraction form
    21,032,026.10/31,548,039.15 = 8,252,947.70/x
  3. Step 3: Cross multiply
    21,032,026.10x = 31,548,039.15 × 8,252,947.70
  4. Step 4: Simplify right side
    21,032,026.10x = 260,364,317,142,502.44
  5. Step 5: Solve for x
    x = 260,364,317,142,502.44/21,032,026.10
  6. Step 6: Final answer
    x = 12,379,421.55

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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.