Finding the Fourth Proportional to 13,323,854.67, 19,987,690.32 and 4,102,609.06
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Solution
The fourth proportional to 13,323,854.67, 19,987,690.32 and 4,102,609.06 is: 6,154,501.19
Step by Step Solution
- Step 1: Write the proportion equation
13,323,854.67 : 19,987,690.32 = 4,102,609.06 : x - Step 2: Convert to fraction form
13,323,854.67/19,987,690.32 = 4,102,609.06/x - Step 3: Cross multiply
13,323,854.67x = 19,987,690.32 × 4,102,609.06 - Step 4: Simplify right side
13,323,854.67x = 82,001,679,420,290.91 - Step 5: Solve for x
x = 82,001,679,420,290.91/13,323,854.67 - Step 6: Final answer
x = 6,154,501.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.