Finding the Fourth Proportional to 19,129,840.47, 28,700,351.19 and 6,175,687.19
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Solution
The fourth proportional to 19,129,840.47, 28,700,351.19 and 6,175,687.19 is: 9,265,335.55
Step by Step Solution
- Step 1: Write the proportion equation
19,129,840.47 : 28,700,351.19 = 6,175,687.19 : x - Step 2: Convert to fraction form
19,129,840.47/28,700,351.19 = 6,175,687.19/x - Step 3: Cross multiply
19,129,840.47x = 28,700,351.19 × 6,175,687.19 - Step 4: Simplify right side
19,129,840.47x = 177,244,391,049,082.50 - Step 5: Solve for x
x = 177,244,391,049,082.50/19,129,840.47 - Step 6: Final answer
x = 9,265,335.55
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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.