Home / 21,595,342.50-29,801,926.71-12,894,275.46

Finding the Fourth Proportional to 21,595,342.50, 29,801,926.71 and 12,894,275.46

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Solution

The fourth proportional to 21,595,342.50, 29,801,926.71 and 12,894,275.46 is: 17,794,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,342.50 : 29,801,926.71 = 12,894,275.46 : x
  2. Step 2: Convert to fraction form
    21,595,342.50/29,801,926.71 = 12,894,275.46/x
  3. Step 3: Cross multiply
    21,595,342.50x = 29,801,926.71 × 12,894,275.46
  4. Step 4: Simplify right side
    21,595,342.50x = 384,274,252,237,471.56
  5. Step 5: Solve for x
    x = 384,274,252,237,471.56/21,595,342.50
  6. Step 6: Final answer
    x = 17,794,311.54

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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.