Finding the Fourth Proportional to 18,191,567.52, 27,272,957.04 and 6,830,750.88
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Solution
The fourth proportional to 18,191,567.52, 27,272,957.04 and 6,830,750.88 is: 10,240,721.43
Step by Step Solution
- Step 1: Write the proportion equation
18,191,567.52 : 27,272,957.04 = 6,830,750.88 : x - Step 2: Convert to fraction form
18,191,567.52/27,272,957.04 = 6,830,750.88/x - Step 3: Cross multiply
18,191,567.52x = 27,272,957.04 × 6,830,750.88 - Step 4: Simplify right side
18,191,567.52x = 186,294,775,301,182.19 - Step 5: Solve for x
x = 186,294,775,301,182.19/18,191,567.52 - Step 6: Final answer
x = 10,240,721.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.