Finding the Fourth Proportional to 11,516,819.69, 15,893,603.43 and 6,811,248.93
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Solution
The fourth proportional to 11,516,819.69, 15,893,603.43 and 6,811,248.93 is: 9,399,755.50
Step by Step Solution
- Step 1: Write the proportion equation
11,516,819.69 : 15,893,603.43 = 6,811,248.93 : x - Step 2: Convert to fraction form
11,516,819.69/15,893,603.43 = 6,811,248.93/x - Step 3: Cross multiply
11,516,819.69x = 15,893,603.43 × 6,811,248.93 - Step 4: Simplify right side
11,516,819.69x = 108,255,289,271,288.62 - Step 5: Solve for x
x = 108,255,289,271,288.62/11,516,819.69 - Step 6: Final answer
x = 9,399,755.50
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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.