Finding the Fourth Proportional to 28,875,864.96, 39,848,682.24 and 15,998,808.96
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Solution
The fourth proportional to 28,875,864.96, 39,848,682.24 and 15,998,808.96 is: 22,078,350.05
Step by Step Solution
- Step 1: Write the proportion equation
28,875,864.96 : 39,848,682.24 = 15,998,808.96 : x - Step 2: Convert to fraction form
28,875,864.96/39,848,682.24 = 15,998,808.96/x - Step 3: Cross multiply
28,875,864.96x = 39,848,682.24 × 15,998,808.96 - Step 4: Simplify right side
28,875,864.96x = 637,531,454,465,505 - Step 5: Solve for x
x = 637,531,454,465,505/28,875,864.96 - Step 6: Final answer
x = 22,078,350.05
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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.