Finding the Fourth Proportional to 15,276,590.08, 21,082,235.52 and 8,401,603.84
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Solution
The fourth proportional to 15,276,590.08, 21,082,235.52 and 8,401,603.84 is: 11,594,510.95
Step by Step Solution
- Step 1: Write the proportion equation
15,276,590.08 : 21,082,235.52 = 8,401,603.84 : x - Step 2: Convert to fraction form
15,276,590.08/21,082,235.52 = 8,401,603.84/x - Step 3: Cross multiply
15,276,590.08x = 21,082,235.52 × 8,401,603.84 - Step 4: Simplify right side
15,276,590.08x = 177,124,590,900,616.38 - Step 5: Solve for x
x = 177,124,590,900,616.38/15,276,590.08 - Step 6: Final answer
x = 11,594,510.95
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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.