Home / 34,373,771.28-47,434,857.12-18,903,855.60

Finding the Fourth Proportional to 34,373,771.28, 47,434,857.12 and 18,903,855.60

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Solution

The fourth proportional to 34,373,771.28, 47,434,857.12 and 18,903,855.60 is: 26,086,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,373,771.28 : 47,434,857.12 = 18,903,855.60 : x
  2. Step 2: Convert to fraction form
    34,373,771.28/47,434,857.12 = 18,903,855.60/x
  3. Step 3: Cross multiply
    34,373,771.28x = 47,434,857.12 × 18,903,855.60
  4. Step 4: Simplify right side
    34,373,771.28x = 896,701,689,403,111.88
  5. Step 5: Solve for x
    x = 896,701,689,403,111.88/34,373,771.28
  6. Step 6: Final answer
    x = 26,086,799.79

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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.