Finding the Fourth Proportional to 21,343,870.95, 29,454,508.02 and 11,554,312.53
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Solution
The fourth proportional to 21,343,870.95, 29,454,508.02 and 11,554,312.53 is: 15,944,932.94
Step by Step Solution
- Step 1: Write the proportion equation
21,343,870.95 : 29,454,508.02 = 11,554,312.53 : x - Step 2: Convert to fraction form
21,343,870.95/29,454,508.02 = 11,554,312.53/x - Step 3: Cross multiply
21,343,870.95x = 29,454,508.02 × 11,554,312.53 - Step 4: Simplify right side
21,343,870.95x = 340,326,591,080,471.44 - Step 5: Solve for x
x = 340,326,591,080,471.44/21,343,870.95 - Step 6: Final answer
x = 15,944,932.94
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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.