Finding the Fourth Proportional to 7,566,980.62, 10,442,655.36 and 4,129,443.48
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Solution
The fourth proportional to 7,566,980.62, 10,442,655.36 and 4,129,443.48 is: 5,698,753.21
Step by Step Solution
- Step 1: Write the proportion equation
7,566,980.62 : 10,442,655.36 = 4,129,443.48 : x - Step 2: Convert to fraction form
7,566,980.62/10,442,655.36 = 4,129,443.48/x - Step 3: Cross multiply
7,566,980.62x = 10,442,655.36 × 4,129,443.48 - Step 4: Simplify right side
7,566,980.62x = 43,122,355,090,239.05 - Step 5: Solve for x
x = 43,122,355,090,239.05/7,566,980.62 - Step 6: Final answer
x = 5,698,753.21
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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.