Home / 21,381,008.09-29,530,148.83-14,493,532.73

Finding the Fourth Proportional to 21,381,008.09, 29,530,148.83 and 14,493,532.73

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Solution

The fourth proportional to 21,381,008.09, 29,530,148.83 and 14,493,532.73 is: 20,017,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,008.09 : 29,530,148.83 = 14,493,532.73 : x
  2. Step 2: Convert to fraction form
    21,381,008.09/29,530,148.83 = 14,493,532.73/x
  3. Step 3: Cross multiply
    21,381,008.09x = 29,530,148.83 × 14,493,532.73
  4. Step 4: Simplify right side
    21,381,008.09x = 427,996,178,516,908.56
  5. Step 5: Solve for x
    x = 427,996,178,516,908.56/21,381,008.09
  6. Step 6: Final answer
    x = 20,017,586.48

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1.5x scale

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.