Home / 29,297,989-40,426,898.82-16,245,342.88

Finding the Fourth Proportional to 29,297,989, 40,426,898.82 and 16,245,342.88

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Solution

The fourth proportional to 29,297,989, 40,426,898.82 and 16,245,342.88 is: 22,416,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297,989 : 40,426,898.82 = 16,245,342.88 : x
  2. Step 2: Convert to fraction form
    29,297,989/40,426,898.82 = 16,245,342.88/x
  3. Step 3: Cross multiply
    29,297,989x = 40,426,898.82 × 16,245,342.88
  4. Step 4: Simplify right side
    29,297,989x = 656,748,832,905,967.50
  5. Step 5: Solve for x
    x = 656,748,832,905,967.50/29,297,989
  6. Step 6: Final answer
    x = 22,416,174.47

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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.