Finding the Fourth Proportional to 7,013,055.06, 9,677,921.90 and 3,915,625.99
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Solution
The fourth proportional to 7,013,055.06, 9,677,921.90 and 3,915,625.99 is: 5,403,511.34
Step by Step Solution
- Step 1: Write the proportion equation
7,013,055.06 : 9,677,921.90 = 3,915,625.99 : x - Step 2: Convert to fraction form
7,013,055.06/9,677,921.90 = 3,915,625.99/x - Step 3: Cross multiply
7,013,055.06x = 9,677,921.90 × 3,915,625.99 - Step 4: Simplify right side
7,013,055.06x = 37,895,122,520,830.19 - Step 5: Solve for x
x = 37,895,122,520,830.19/7,013,055.06 - Step 6: Final answer
x = 5,403,511.34
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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.