Finding the Fourth Proportional to 10,255,391.13, 14,152,325.09 and 5,609,309.66
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Solution
The fourth proportional to 10,255,391.13, 14,152,325.09 and 5,609,309.66 is: 7,740,784.61
Step by Step Solution
- Step 1: Write the proportion equation
10,255,391.13 : 14,152,325.09 = 5,609,309.66 : x - Step 2: Convert to fraction form
10,255,391.13/14,152,325.09 = 5,609,309.66/x - Step 3: Cross multiply
10,255,391.13x = 14,152,325.09 × 5,609,309.66 - Step 4: Simplify right side
10,255,391.13x = 79,384,773,838,797.38 - Step 5: Solve for x
x = 79,384,773,838,797.38/10,255,391.13 - Step 6: Final answer
x = 7,740,784.61
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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.