Finding the Fourth Proportional to 26,265,626.62, 39,413,792.72 and 18,971,894.14
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Solution
The fourth proportional to 26,265,626.62, 39,413,792.72 and 18,971,894.14 is: 28,468,930.66
Step by Step Solution
- Step 1: Write the proportion equation
26,265,626.62 : 39,413,792.72 = 18,971,894.14 : x - Step 2: Convert to fraction form
26,265,626.62/39,413,792.72 = 18,971,894.14/x - Step 3: Cross multiply
26,265,626.62x = 39,413,792.72 × 18,971,894.14 - Step 4: Simplify right side
26,265,626.62x = 747,754,302,946,348.75 - Step 5: Solve for x
x = 747,754,302,946,348.75/26,265,626.62 - Step 6: Final answer
x = 28,468,930.66
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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.