Finding the Fourth Proportional to 10,282,196.13, 15,331,368.62 and 9,999,702.02
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Solution
The fourth proportional to 10,282,196.13, 15,331,368.62 and 9,999,702.02 is: 14,910,153.02
Step by Step Solution
- Step 1: Write the proportion equation
10,282,196.13 : 15,331,368.62 = 9,999,702.02 : x - Step 2: Convert to fraction form
10,282,196.13/15,331,368.62 = 9,999,702.02/x - Step 3: Cross multiply
10,282,196.13x = 15,331,368.62 × 9,999,702.02 - Step 4: Simplify right side
10,282,196.13x = 153,309,117,707,121.03 - Step 5: Solve for x
x = 153,309,117,707,121.03/10,282,196.13 - Step 6: Final answer
x = 14,910,153.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.