Finding the Fourth Proportional to 8,537,885.48, 11,782,562.99 and 4,670,318.13
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Solution
The fourth proportional to 8,537,885.48, 11,782,562.99 and 4,670,318.13 is: 6,445,192.75
Step by Step Solution
- Step 1: Write the proportion equation
8,537,885.48 : 11,782,562.99 = 4,670,318.13 : x - Step 2: Convert to fraction form
8,537,885.48/11,782,562.99 = 4,670,318.13/x - Step 3: Cross multiply
8,537,885.48x = 11,782,562.99 × 4,670,318.13 - Step 4: Simplify right side
8,537,885.48x = 55,028,317,526,712.41 - Step 5: Solve for x
x = 55,028,317,526,712.41/8,537,885.48 - Step 6: Final answer
x = 6,445,192.75
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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.