Finding the Fourth Proportional to 10,207,459.62, 15,328,663.56 and 6,817,529.16
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Solution
The fourth proportional to 10,207,459.62, 15,328,663.56 and 6,817,529.16 is: 10,237,964.65
Step by Step Solution
- Step 1: Write the proportion equation
10,207,459.62 : 15,328,663.56 = 6,817,529.16 : x - Step 2: Convert to fraction form
10,207,459.62/15,328,663.56 = 6,817,529.16/x - Step 3: Cross multiply
10,207,459.62x = 15,328,663.56 × 6,817,529.16 - Step 4: Simplify right side
10,207,459.62x = 104,503,610,804,129.42 - Step 5: Solve for x
x = 104,503,610,804,129.42/10,207,459.62 - Step 6: Final answer
x = 10,237,964.65
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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.