Finding the Fourth Proportional to 28,539,136.50, 39,319,368.74 and 27,178,647.54
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Solution
The fourth proportional to 28,539,136.50, 39,319,368.74 and 27,178,647.54 is: 37,444,975.41
Step by Step Solution
- Step 1: Write the proportion equation
28,539,136.50 : 39,319,368.74 = 27,178,647.54 : x - Step 2: Convert to fraction form
28,539,136.50/39,319,368.74 = 27,178,647.54/x - Step 3: Cross multiply
28,539,136.50x = 39,319,368.74 × 27,178,647.54 - Step 4: Simplify right side
28,539,136.50x = 1,068,647,264,147,263.75 - Step 5: Solve for x
x = 1,068,647,264,147,263.75/28,539,136.50 - Step 6: Final answer
x = 37,444,975.41
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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.