Finding the Fourth Proportional to 7,566,980.11, 10,442,654.67 and 4,129,442.98
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Solution
The fourth proportional to 7,566,980.11, 10,442,654.67 and 4,129,442.98 is: 5,698,752.53
Step by Step Solution
- Step 1: Write the proportion equation
7,566,980.11 : 10,442,654.67 = 4,129,442.98 : x - Step 2: Convert to fraction form
7,566,980.11/10,442,654.67 = 4,129,442.98/x - Step 3: Cross multiply
7,566,980.11x = 10,442,654.67 × 4,129,442.98 - Step 4: Simplify right side
7,566,980.11x = 43,122,347,019,595.72 - Step 5: Solve for x
x = 43,122,347,019,595.72/7,566,980.11 - Step 6: Final answer
x = 5,698,752.53
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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.