Finding the Fourth Proportional to 9,677,781.36, 14,518,771.44 and 2,946,020.40
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Solution
The fourth proportional to 9,677,781.36, 14,518,771.44 and 2,946,020.40 is: 4,419,669.68
Step by Step Solution
- Step 1: Write the proportion equation
9,677,781.36 : 14,518,771.44 = 2,946,020.40 : x - Step 2: Convert to fraction form
9,677,781.36/14,518,771.44 = 2,946,020.40/x - Step 3: Cross multiply
9,677,781.36x = 14,518,771.44 × 2,946,020.40 - Step 4: Simplify right side
9,677,781.36x = 42,772,596,845,177.38 - Step 5: Solve for x
x = 42,772,596,845,177.38/9,677,781.36 - Step 6: Final answer
x = 4,419,669.68
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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.