Finding the Fourth Proportional to 26,465,146.62, 39,667,965.21 and 13,474,834.26
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Solution
The fourth proportional to 26,465,146.62, 39,667,965.21 and 13,474,834.26 is: 20,197,101.66
Step by Step Solution
- Step 1: Write the proportion equation
26,465,146.62 : 39,667,965.21 = 13,474,834.26 : x - Step 2: Convert to fraction form
26,465,146.62/39,667,965.21 = 13,474,834.26/x - Step 3: Cross multiply
26,465,146.62x = 39,667,965.21 × 13,474,834.26 - Step 4: Simplify right side
26,465,146.62x = 534,519,256,636,196.12 - Step 5: Solve for x
x = 534,519,256,636,196.12/26,465,146.62 - Step 6: Final answer
x = 20,197,101.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.