Home / 21,595,343.50-29,801,928.09-12,894,276.46

Finding the Fourth Proportional to 21,595,343.50, 29,801,928.09 and 12,894,276.46

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Solution

The fourth proportional to 21,595,343.50, 29,801,928.09 and 12,894,276.46 is: 17,794,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,343.50 : 29,801,928.09 = 12,894,276.46 : x
  2. Step 2: Convert to fraction form
    21,595,343.50/29,801,928.09 = 12,894,276.46/x
  3. Step 3: Cross multiply
    21,595,343.50x = 29,801,928.09 × 12,894,276.46
  4. Step 4: Simplify right side
    21,595,343.50x = 384,274,299,833,499.81
  5. Step 5: Solve for x
    x = 384,274,299,833,499.81/21,595,343.50
  6. Step 6: Final answer
    x = 17,794,312.92

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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.