Finding the Fourth Proportional to 51,272,656.56, 70,756,260.75 and 27,751,189.23
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Solution
The fourth proportional to 51,272,656.56, 70,756,260.75 and 27,751,189.23 is: 38,296,638.27
Step by Step Solution
- Step 1: Write the proportion equation
51,272,656.56 : 70,756,260.75 = 27,751,189.23 : x - Step 2: Convert to fraction form
51,272,656.56/70,756,260.75 = 27,751,189.23/x - Step 3: Cross multiply
51,272,656.56x = 70,756,260.75 × 27,751,189.23 - Step 4: Simplify right side
51,272,656.56x = 1,963,570,381,280,471.75 - Step 5: Solve for x
x = 1,963,570,381,280,471.75/51,272,656.56 - Step 6: Final answer
x = 38,296,638.27
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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.