Finding the Fourth Proportional to 28,474,513.84, 39,298,281.66 and 16,085,129.68
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Solution
The fourth proportional to 28,474,513.84, 39,298,281.66 and 16,085,129.68 is: 22,199,429.30
Step by Step Solution
- Step 1: Write the proportion equation
28,474,513.84 : 39,298,281.66 = 16,085,129.68 : x - Step 2: Convert to fraction form
28,474,513.84/39,298,281.66 = 16,085,129.68/x - Step 3: Cross multiply
28,474,513.84x = 39,298,281.66 × 16,085,129.68 - Step 4: Simplify right side
28,474,513.84x = 632,117,956,702,265.62 - Step 5: Solve for x
x = 632,117,956,702,265.62/28,474,513.84 - Step 6: Final answer
x = 22,199,429.30
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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.