Home / 29,379,657.23-40,501,196.26-20,531,638.16

Finding the Fourth Proportional to 29,379,657.23, 40,501,196.26 and 20,531,638.16

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Solution

The fourth proportional to 29,379,657.23, 40,501,196.26 and 20,531,638.16 is: 28,303,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,657.23 : 40,501,196.26 = 20,531,638.16 : x
  2. Step 2: Convert to fraction form
    29,379,657.23/40,501,196.26 = 20,531,638.16/x
  3. Step 3: Cross multiply
    29,379,657.23x = 40,501,196.26 × 20,531,638.16
  4. Step 4: Simplify right side
    29,379,657.23x = 831,555,906,403,630.25
  5. Step 5: Solve for x
    x = 831,555,906,403,630.25/29,379,657.23
  6. Step 6: Final answer
    x = 28,303,798.78

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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.