Finding the Fourth Proportional to 7,138,927.08, 10,712,319.66 and 3,095,445.96
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Solution
The fourth proportional to 7,138,927.08, 10,712,319.66 and 3,095,445.96 is: 4,644,872.58
Step by Step Solution
- Step 1: Write the proportion equation
7,138,927.08 : 10,712,319.66 = 3,095,445.96 : x - Step 2: Convert to fraction form
7,138,927.08/10,712,319.66 = 3,095,445.96/x - Step 3: Cross multiply
7,138,927.08x = 10,712,319.66 × 3,095,445.96 - Step 4: Simplify right side
7,138,927.08x = 33,159,406,613,775.57 - Step 5: Solve for x
x = 33,159,406,613,775.57/7,138,927.08 - Step 6: Final answer
x = 4,644,872.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.