Home / 21,838,606-30,137,191.48-12,049,659.44

Finding the Fourth Proportional to 21,838,606, 30,137,191.48 and 12,049,659.44

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Solution

The fourth proportional to 21,838,606, 30,137,191.48 and 12,049,659.44 is: 16,628,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,606 : 30,137,191.48 = 12,049,659.44 : x
  2. Step 2: Convert to fraction form
    21,838,606/30,137,191.48 = 12,049,659.44/x
  3. Step 3: Cross multiply
    21,838,606x = 30,137,191.48 × 12,049,659.44
  4. Step 4: Simplify right side
    21,838,606x = 363,142,893,812,069.56
  5. Step 5: Solve for x
    x = 363,142,893,812,069.56/21,838,606
  6. Step 6: Final answer
    x = 16,628,483.24

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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.