Finding the Fourth Proportional to 13,221,951.57, 19,832,394.12 and 6,744,884.82
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Solution
The fourth proportional to 13,221,951.57, 19,832,394.12 and 6,744,884.82 is: 10,117,055.20
Step by Step Solution
- Step 1: Write the proportion equation
13,221,951.57 : 19,832,394.12 = 6,744,884.82 : x - Step 2: Convert to fraction form
13,221,951.57/19,832,394.12 = 6,744,884.82/x - Step 3: Cross multiply
13,221,951.57x = 19,832,394.12 × 6,744,884.82 - Step 4: Simplify right side
13,221,951.57x = 133,767,213,945,083.30 - Step 5: Solve for x
x = 133,767,213,945,083.30/13,221,951.57 - Step 6: Final answer
x = 10,117,055.20
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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.