Finding the Fourth Proportional to 11,537,379.12, 15,920,938.98 and 6,309,355.62
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Solution
The fourth proportional to 11,537,379.12, 15,920,938.98 and 6,309,355.62 is: 8,706,558.46
Step by Step Solution
- Step 1: Write the proportion equation
11,537,379.12 : 15,920,938.98 = 6,309,355.62 : x - Step 2: Convert to fraction form
11,537,379.12/15,920,938.98 = 6,309,355.62/x - Step 3: Cross multiply
11,537,379.12x = 15,920,938.98 × 6,309,355.62 - Step 4: Simplify right side
11,537,379.12x = 100,450,865,829,140.08 - Step 5: Solve for x
x = 100,450,865,829,140.08/11,537,379.12 - Step 6: Final answer
x = 8,706,558.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.