Home / 29,379,382.66-40,500,817.80-20,531,363.42

Finding the Fourth Proportional to 29,379,382.66, 40,500,817.80 and 20,531,363.42

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Solution

The fourth proportional to 29,379,382.66, 40,500,817.80 and 20,531,363.42 is: 28,303,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,382.66 : 40,500,817.80 = 20,531,363.42 : x
  2. Step 2: Convert to fraction form
    29,379,382.66/40,500,817.80 = 20,531,363.42/x
  3. Step 3: Cross multiply
    29,379,382.66x = 40,500,817.80 × 20,531,363.42
  4. Step 4: Simplify right side
    29,379,382.66x = 831,537,009,083,264.25
  5. Step 5: Solve for x
    x = 831,537,009,083,264.25/29,379,382.66
  6. Step 6: Final answer
    x = 28,303,420.08

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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.