Finding the Fourth Proportional to 19,516,842.68, 26,933,403.36 and 10,815,160.61
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Solution
The fourth proportional to 19,516,842.68, 26,933,403.36 and 10,815,160.61 is: 14,925,010.55
Step by Step Solution
- Step 1: Write the proportion equation
19,516,842.68 : 26,933,403.36 = 10,815,160.61 : x - Step 2: Convert to fraction form
19,516,842.68/26,933,403.36 = 10,815,160.61/x - Step 3: Cross multiply
19,516,842.68x = 26,933,403.36 × 10,815,160.61 - Step 4: Simplify right side
19,516,842.68x = 291,289,083,007,868.38 - Step 5: Solve for x
x = 291,289,083,007,868.38/19,516,842.68 - Step 6: Final answer
x = 14,925,010.55
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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.