Finding the Fourth Proportional to 11,487,771.68, 15,855,477.37 and 6,844,276.91
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Solution
The fourth proportional to 11,487,771.68, 15,855,477.37 and 6,844,276.91 is: 9,446,503.70
Step by Step Solution
- Step 1: Write the proportion equation
11,487,771.68 : 15,855,477.37 = 6,844,276.91 : x - Step 2: Convert to fraction form
11,487,771.68/15,855,477.37 = 6,844,276.91/x - Step 3: Cross multiply
11,487,771.68x = 15,855,477.37 × 6,844,276.91 - Step 4: Simplify right side
11,487,771.68x = 108,519,277,683,046.52 - Step 5: Solve for x
x = 108,519,277,683,046.52/11,487,771.68 - Step 6: Final answer
x = 9,446,503.70
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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.