Finding the Fourth Proportional to 11,766,374.91, 16,238,291.04 and 8,860,639.23
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Solution
The fourth proportional to 11,766,374.91, 16,238,291.04 and 8,860,639.23 is: 12,228,204.50
Step by Step Solution
- Step 1: Write the proportion equation
11,766,374.91 : 16,238,291.04 = 8,860,639.23 : x - Step 2: Convert to fraction form
11,766,374.91/16,238,291.04 = 8,860,639.23/x - Step 3: Cross multiply
11,766,374.91x = 16,238,291.04 × 8,860,639.23 - Step 4: Simplify right side
11,766,374.91x = 143,881,638,617,181.50 - Step 5: Solve for x
x = 143,881,638,617,181.50/11,766,374.91 - Step 6: Final answer
x = 12,228,204.50
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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.