Home / 29,379,385.66-40,500,821.93-20,531,366.42

Finding the Fourth Proportional to 29,379,385.66, 40,500,821.93 and 20,531,366.42

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Solution

The fourth proportional to 29,379,385.66, 40,500,821.93 and 20,531,366.42 is: 28,303,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,385.66 : 40,500,821.93 = 20,531,366.42 : x
  2. Step 2: Convert to fraction form
    29,379,385.66/40,500,821.93 = 20,531,366.42/x
  3. Step 3: Cross multiply
    29,379,385.66x = 40,500,821.93 × 20,531,366.42
  4. Step 4: Simplify right side
    29,379,385.66x = 831,537,215,356,001.62
  5. Step 5: Solve for x
    x = 831,537,215,356,001.62/29,379,385.66
  6. Step 6: Final answer
    x = 28,303,424.21

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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.