Finding the Fourth Proportional to 12,138,466.74, 16,752,241.98 and 6,632,678.58
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Solution
The fourth proportional to 12,138,466.74, 16,752,241.98 and 6,632,678.58 is: 9,153,729.13
Step by Step Solution
- Step 1: Write the proportion equation
12,138,466.74 : 16,752,241.98 = 6,632,678.58 : x - Step 2: Convert to fraction form
12,138,466.74/16,752,241.98 = 6,632,678.58/x - Step 3: Cross multiply
12,138,466.74x = 16,752,241.98 × 6,632,678.58 - Step 4: Simplify right side
12,138,466.74x = 111,112,236,547,722.80 - Step 5: Solve for x
x = 111,112,236,547,722.80/12,138,466.74 - Step 6: Final answer
x = 9,153,729.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.