Finding the Fourth Proportional to 10,865,718.30, 16,298,577.45 and 2,887,542.30
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Solution
The fourth proportional to 10,865,718.30, 16,298,577.45 and 2,887,542.30 is: 4,331,313.45
Step by Step Solution
- Step 1: Write the proportion equation
10,865,718.30 : 16,298,577.45 = 2,887,542.30 : x - Step 2: Convert to fraction form
10,865,718.30/16,298,577.45 = 2,887,542.30/x - Step 3: Cross multiply
10,865,718.30x = 16,298,577.45 × 2,887,542.30 - Step 4: Simplify right side
10,865,718.30x = 47,062,831,816,701.13 - Step 5: Solve for x
x = 47,062,831,816,701.13/10,865,718.30 - Step 6: Final answer
x = 4,331,313.45
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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.