Home / 29,421,274.55-40,584,451.90-18,388,877.72

Finding the Fourth Proportional to 29,421,274.55, 40,584,451.90 and 18,388,877.72

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Solution

The fourth proportional to 29,421,274.55, 40,584,451.90 and 18,388,877.72 is: 25,366,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421,274.55 : 40,584,451.90 = 18,388,877.72 : x
  2. Step 2: Convert to fraction form
    29,421,274.55/40,584,451.90 = 18,388,877.72/x
  3. Step 3: Cross multiply
    29,421,274.55x = 40,584,451.90 × 18,388,877.72
  4. Step 4: Simplify right side
    29,421,274.55x = 746,302,523,322,321.62
  5. Step 5: Solve for x
    x = 746,302,523,322,321.62/29,421,274.55
  6. Step 6: Final answer
    x = 25,366,084.06

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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.