Finding the Fourth Proportional to 19,675,301.81, 29,516,735.54 and 7,543,819.12
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Solution
The fourth proportional to 19,675,301.81, 29,516,735.54 and 7,543,819.12 is: 11,317,179.07
Step by Step Solution
- Step 1: Write the proportion equation
19,675,301.81 : 29,516,735.54 = 7,543,819.12 : x - Step 2: Convert to fraction form
19,675,301.81/29,516,735.54 = 7,543,819.12/x - Step 3: Cross multiply
19,675,301.81x = 29,516,735.54 × 7,543,819.12 - Step 4: Simplify right side
19,675,301.81x = 222,668,913,833,984.12 - Step 5: Solve for x
x = 222,668,913,833,984.12/19,675,301.81 - Step 6: Final answer
x = 11,317,179.07
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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.