Finding the Fourth Proportional to 28,474,799.84, 39,298,676.64 and 16,085,415.68
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Solution
The fourth proportional to 28,474,799.84, 39,298,676.64 and 16,085,415.68 is: 22,199,824.16
Step by Step Solution
- Step 1: Write the proportion equation
28,474,799.84 : 39,298,676.64 = 16,085,415.68 : x - Step 2: Convert to fraction form
28,474,799.84/39,298,676.64 = 16,085,415.68/x - Step 3: Cross multiply
28,474,799.84x = 39,298,676.64 × 16,085,415.68 - Step 4: Simplify right side
28,474,799.84x = 632,135,549,428,305.75 - Step 5: Solve for x
x = 632,135,549,428,305.75/28,474,799.84 - Step 6: Final answer
x = 22,199,824.16
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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.