Finding the Fourth Proportional to 11,286,588.35, 15,574,970.63 and 6,391,845.47
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Solution
The fourth proportional to 11,286,588.35, 15,574,970.63 and 6,391,845.47 is: 8,820,451.53
Step by Step Solution
- Step 1: Write the proportion equation
11,286,588.35 : 15,574,970.63 = 6,391,845.47 : x - Step 2: Convert to fraction form
11,286,588.35/15,574,970.63 = 6,391,845.47/x - Step 3: Cross multiply
11,286,588.35x = 15,574,970.63 × 6,391,845.47 - Step 4: Simplify right side
11,286,588.35x = 99,552,805,466,748.55 - Step 5: Solve for x
x = 99,552,805,466,748.55/11,286,588.35 - Step 6: Final answer
x = 8,820,451.53
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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.