Finding the Fourth Proportional to 11,519,849.21, 15,897,030.71 and 6,292,773.41
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Solution
The fourth proportional to 11,519,849.21, 15,897,030.71 and 6,292,773.41 is: 8,683,829.99
Step by Step Solution
- Step 1: Write the proportion equation
11,519,849.21 : 15,897,030.71 = 6,292,773.41 : x - Step 2: Convert to fraction form
11,519,849.21/15,897,030.71 = 6,292,773.41/x - Step 3: Cross multiply
11,519,849.21x = 15,897,030.71 × 6,292,773.41 - Step 4: Simplify right side
11,519,849.21x = 100,036,412,038,892.41 - Step 5: Solve for x
x = 100,036,412,038,892.41/11,519,849.21 - Step 6: Final answer
x = 8,683,829.99
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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.