Finding the Fourth Proportional to 10,030,369.05, 13,842,070.16 and 5,679,339.03
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Solution
The fourth proportional to 10,030,369.05, 13,842,070.16 and 5,679,339.03 is: 7,837,578.95
Step by Step Solution
- Step 1: Write the proportion equation
10,030,369.05 : 13,842,070.16 = 5,679,339.03 : x - Step 2: Convert to fraction form
10,030,369.05/13,842,070.16 = 5,679,339.03/x - Step 3: Cross multiply
10,030,369.05x = 13,842,070.16 × 5,679,339.03 - Step 4: Simplify right side
10,030,369.05x = 78,613,809,287,289.66 - Step 5: Solve for x
x = 78,613,809,287,289.66/10,030,369.05 - Step 6: Final answer
x = 7,837,578.95
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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.