Home / 21,893,630.32-30,218,006.10-12,731,558.32

Finding the Fourth Proportional to 21,893,630.32, 30,218,006.10 and 12,731,558.32

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Solution

The fourth proportional to 21,893,630.32, 30,218,006.10 and 12,731,558.32 is: 17,572,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,630.32 : 30,218,006.10 = 12,731,558.32 : x
  2. Step 2: Convert to fraction form
    21,893,630.32/30,218,006.10 = 12,731,558.32/x
  3. Step 3: Cross multiply
    21,893,630.32x = 30,218,006.10 × 12,731,558.32
  4. Step 4: Simplify right side
    21,893,630.32x = 384,722,306,976,265.75
  5. Step 5: Solve for x
    x = 384,722,306,976,265.75/21,893,630.32
  6. Step 6: Final answer
    x = 17,572,339.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.