Finding the Fourth Proportional to 13,346,079.54, 18,417,280.68 and 7,544,613.66
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Solution
The fourth proportional to 13,346,079.54, 18,417,280.68 and 7,544,613.66 is: 10,411,392.12
Step by Step Solution
- Step 1: Write the proportion equation
13,346,079.54 : 18,417,280.68 = 7,544,613.66 : x - Step 2: Convert to fraction form
13,346,079.54/18,417,280.68 = 7,544,613.66/x - Step 3: Cross multiply
13,346,079.54x = 18,417,280.68 × 7,544,613.66 - Step 4: Simplify right side
13,346,079.54x = 138,951,267,398,382.09 - Step 5: Solve for x
x = 138,951,267,398,382.09/13,346,079.54 - Step 6: Final answer
x = 10,411,392.12
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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.