Finding the Fourth Proportional to 13,048,482.74, 18,006,408.18 and 7,247,636.54
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Solution
The fourth proportional to 13,048,482.74, 18,006,408.18 and 7,247,636.54 is: 10,001,461.82
Step by Step Solution
- Step 1: Write the proportion equation
13,048,482.74 : 18,006,408.18 = 7,247,636.54 : x - Step 2: Convert to fraction form
13,048,482.74/18,006,408.18 = 7,247,636.54/x - Step 3: Cross multiply
13,048,482.74x = 18,006,408.18 × 7,247,636.54 - Step 4: Simplify right side
13,048,482.74x = 130,503,901,879,522.89 - Step 5: Solve for x
x = 130,503,901,879,522.89/13,048,482.74 - Step 6: Final answer
x = 10,001,461.82
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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.