Finding the Fourth Proportional to 11,134,430.24, 15,365,542.80 and 6,490,972.32
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Solution
The fourth proportional to 11,134,430.24, 15,365,542.80 and 6,490,972.32 is: 8,957,558.75
Step by Step Solution
- Step 1: Write the proportion equation
11,134,430.24 : 15,365,542.80 = 6,490,972.32 : x - Step 2: Convert to fraction form
11,134,430.24/15,365,542.80 = 6,490,972.32/x - Step 3: Cross multiply
11,134,430.24x = 15,365,542.80 × 6,490,972.32 - Step 4: Simplify right side
11,134,430.24x = 99,737,312,996,575.31 - Step 5: Solve for x
x = 99,737,312,996,575.31/11,134,430.24 - Step 6: Final answer
x = 8,957,558.75
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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.