Finding the Fourth Proportional to 43,074,929.62, 64,598,413.83 and 14,313,345.94
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Solution
The fourth proportional to 43,074,929.62, 64,598,413.83 and 14,313,345.94 is: 21,465,373.30
Step by Step Solution
- Step 1: Write the proportion equation
43,074,929.62 : 64,598,413.83 = 14,313,345.94 : x - Step 2: Convert to fraction form
43,074,929.62/64,598,413.83 = 14,313,345.94/x - Step 3: Cross multiply
43,074,929.62x = 64,598,413.83 × 14,313,345.94 - Step 4: Simplify right side
43,074,929.62x = 924,619,444,324,070.25 - Step 5: Solve for x
x = 924,619,444,324,070.25/43,074,929.62 - Step 6: Final answer
x = 21,465,373.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.