Finding the Fourth Proportional to 53,342,287.68, 73,612,582.56 and 28,896,001.68
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Solution
The fourth proportional to 53,342,287.68, 73,612,582.56 and 28,896,001.68 is: 39,876,604.51
Step by Step Solution
- Step 1: Write the proportion equation
53,342,287.68 : 73,612,582.56 = 28,896,001.68 : x - Step 2: Convert to fraction form
53,342,287.68/73,612,582.56 = 28,896,001.68/x - Step 3: Cross multiply
53,342,287.68x = 73,612,582.56 × 28,896,001.68 - Step 4: Simplify right side
53,342,287.68x = 2,127,109,309,322,898.75 - Step 5: Solve for x
x = 2,127,109,309,322,898.75/53,342,287.68 - Step 6: Final answer
x = 39,876,604.51
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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.