Home / 21,893,611.32-30,217,979.88-12,731,539.32

Finding the Fourth Proportional to 21,893,611.32, 30,217,979.88 and 12,731,539.32

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Solution

The fourth proportional to 21,893,611.32, 30,217,979.88 and 12,731,539.32 is: 17,572,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893,611.32 : 30,217,979.88 = 12,731,539.32 : x
  2. Step 2: Convert to fraction form
    21,893,611.32/30,217,979.88 = 12,731,539.32/x
  3. Step 3: Cross multiply
    21,893,611.32x = 30,217,979.88 × 12,731,539.32
  4. Step 4: Simplify right side
    21,893,611.32x = 384,721,399,013,188.88
  5. Step 5: Solve for x
    x = 384,721,399,013,188.88/21,893,611.32
  6. Step 6: Final answer
    x = 17,572,313.37

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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.