Finding the Fourth Proportional to 19,438,309.06, 29,146,183.08 and 9,203,082.91
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Solution
The fourth proportional to 19,438,309.06, 29,146,183.08 and 9,203,082.91 is: 13,799,283.60
Step by Step Solution
- Step 1: Write the proportion equation
19,438,309.06 : 29,146,183.08 = 9,203,082.91 : x - Step 2: Convert to fraction form
19,438,309.06/29,146,183.08 = 9,203,082.91/x - Step 3: Cross multiply
19,438,309.06x = 29,146,183.08 × 9,203,082.91 - Step 4: Simplify right side
19,438,309.06x = 268,234,739,395,279.16 - Step 5: Solve for x
x = 268,234,739,395,279.16/19,438,309.06 - Step 6: Final answer
x = 13,799,283.60
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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.