Finding the Fourth Proportional to 19,679,629.12, 27,158,064.97 and 10,859,472.70
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Solution
The fourth proportional to 19,679,629.12, 27,158,064.97 and 10,859,472.70 is: 14,986,169.88
Step by Step Solution
- Step 1: Write the proportion equation
19,679,629.12 : 27,158,064.97 = 10,859,472.70 : x - Step 2: Convert to fraction form
19,679,629.12/27,158,064.97 = 10,859,472.70/x - Step 3: Cross multiply
19,679,629.12x = 27,158,064.97 × 10,859,472.70 - Step 4: Simplify right side
19,679,629.12x = 294,922,265,126,541.31 - Step 5: Solve for x
x = 294,922,265,126,541.31/19,679,629.12 - Step 6: Final answer
x = 14,986,169.88
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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.