Finding the Fourth Proportional to 45,455,841.84, 68,193,837.96 and 13,105,219.80
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Solution
The fourth proportional to 45,455,841.84, 68,193,837.96 and 13,105,219.80 is: 19,660,734.45
Step by Step Solution
- Step 1: Write the proportion equation
45,455,841.84 : 68,193,837.96 = 13,105,219.80 : x - Step 2: Convert to fraction form
45,455,841.84/68,193,837.96 = 13,105,219.80/x - Step 3: Cross multiply
45,455,841.84x = 68,193,837.96 × 13,105,219.80 - Step 4: Simplify right side
45,455,841.84x = 893,695,235,471,383.62 - Step 5: Solve for x
x = 893,695,235,471,383.62/45,455,841.84 - Step 6: Final answer
x = 19,660,734.45
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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.