Finding the Fourth Proportional to 7,230,455.98, 9,968,950.55 and 5,293,353.55
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Solution
The fourth proportional to 7,230,455.98, 9,968,950.55 and 5,293,353.55 is: 7,298,181.46
Step by Step Solution
- Step 1: Write the proportion equation
7,230,455.98 : 9,968,950.55 = 5,293,353.55 : x - Step 2: Convert to fraction form
7,230,455.98/9,968,950.55 = 5,293,353.55/x - Step 3: Cross multiply
7,230,455.98x = 9,968,950.55 × 5,293,353.55 - Step 4: Simplify right side
7,230,455.98x = 52,769,179,757,150.18 - Step 5: Solve for x
x = 52,769,179,757,150.18/7,230,455.98 - Step 6: Final answer
x = 7,298,181.46
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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.