Finding the Fourth Proportional to 12,139,750.79, 16,752,357.58 and 6,633,314.67
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Solution
The fourth proportional to 12,139,750.79, 16,752,357.58 and 6,633,314.67 is: 9,153,701.86
Step by Step Solution
- Step 1: Write the proportion equation
12,139,750.79 : 16,752,357.58 = 6,633,314.67 : x - Step 2: Convert to fraction form
12,139,750.79/16,752,357.58 = 6,633,314.67/x - Step 3: Cross multiply
12,139,750.79x = 16,752,357.58 × 6,633,314.67 - Step 4: Simplify right side
12,139,750.79x = 111,123,659,351,175.22 - Step 5: Solve for x
x = 111,123,659,351,175.22/12,139,750.79 - Step 6: Final answer
x = 9,153,701.86
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1.5x scale
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.