Finding the Fourth Proportional to 35,407,807.70, 48,867,431.02 and 19,940,916.02
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Solution
The fourth proportional to 35,407,807.70, 48,867,431.02 and 19,940,916.02 is: 27,521,086.48
Step by Step Solution
- Step 1: Write the proportion equation
35,407,807.70 : 48,867,431.02 = 19,940,916.02 : x - Step 2: Convert to fraction form
35,407,807.70/48,867,431.02 = 19,940,916.02/x - Step 3: Cross multiply
35,407,807.70x = 48,867,431.02 × 19,940,916.02 - Step 4: Simplify right side
35,407,807.70x = 974,461,337,788,773.50 - Step 5: Solve for x
x = 974,461,337,788,773.50/35,407,807.70 - Step 6: Final answer
x = 27,521,086.48
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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.