Home / 21,612,869.34-32,416,908.02-5,438,824.98

Finding the Fourth Proportional to 21,612,869.34, 32,416,908.02 and 5,438,824.98

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Solution

The fourth proportional to 21,612,869.34, 32,416,908.02 and 5,438,824.98 is: 8,157,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,869.34 : 32,416,908.02 = 5,438,824.98 : x
  2. Step 2: Convert to fraction form
    21,612,869.34/32,416,908.02 = 5,438,824.98/x
  3. Step 3: Cross multiply
    21,612,869.34x = 32,416,908.02 × 5,438,824.98
  4. Step 4: Simplify right side
    21,612,869.34x = 176,309,889,113,538.34
  5. Step 5: Solve for x
    x = 176,309,889,113,538.34/21,612,869.34
  6. Step 6: Final answer
    x = 8,157,634.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.