Finding the Fourth Proportional to 19,856,471.66, 29,767,648.86 and 6,900,939.08
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Solution
The fourth proportional to 19,856,471.66, 29,767,648.86 and 6,900,939.08 is: 10,345,480.05
Step by Step Solution
- Step 1: Write the proportion equation
19,856,471.66 : 29,767,648.86 = 6,900,939.08 : x - Step 2: Convert to fraction form
19,856,471.66/29,767,648.86 = 6,900,939.08/x - Step 3: Cross multiply
19,856,471.66x = 29,767,648.86 × 6,900,939.08 - Step 4: Simplify right side
19,856,471.66x = 205,424,731,337,691.44 - Step 5: Solve for x
x = 205,424,731,337,691.44/19,856,471.66 - Step 6: Final answer
x = 10,345,480.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.