Home / 29,379,384.66-40,500,820.55-20,531,365.42

Finding the Fourth Proportional to 29,379,384.66, 40,500,820.55 and 20,531,365.42

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Solution

The fourth proportional to 29,379,384.66, 40,500,820.55 and 20,531,365.42 is: 28,303,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,384.66 : 40,500,820.55 = 20,531,365.42 : x
  2. Step 2: Convert to fraction form
    29,379,384.66/40,500,820.55 = 20,531,365.42/x
  3. Step 3: Cross multiply
    29,379,384.66x = 40,500,820.55 × 20,531,365.42
  4. Step 4: Simplify right side
    29,379,384.66x = 831,537,146,521,895.38
  5. Step 5: Solve for x
    x = 831,537,146,521,895.38/29,379,384.66
  6. Step 6: Final answer
    x = 28,303,422.83

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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.