Finding the Fourth Proportional to 17,528,543.80, 24,190,642.15 and 9,687,887.55
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Solution
The fourth proportional to 17,528,543.80, 24,190,642.15 and 9,687,887.55 is: 13,369,976.63
Step by Step Solution
- Step 1: Write the proportion equation
17,528,543.80 : 24,190,642.15 = 9,687,887.55 : x - Step 2: Convert to fraction form
17,528,543.80/24,190,642.15 = 9,687,887.55/x - Step 3: Cross multiply
17,528,543.80x = 24,190,642.15 × 9,687,887.55 - Step 4: Simplify right side
17,528,543.80x = 234,356,220,979,947.28 - Step 5: Solve for x
x = 234,356,220,979,947.28/17,528,543.80 - Step 6: Final answer
x = 13,369,976.63
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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.