Finding the Fourth Proportional to 46,566,430.80, 69,849,646.20 and 14,218,270.80
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Solution
The fourth proportional to 46,566,430.80, 69,849,646.20 and 14,218,270.80 is: 21,327,406.20
Step by Step Solution
- Step 1: Write the proportion equation
46,566,430.80 : 69,849,646.20 = 14,218,270.80 : x - Step 2: Convert to fraction form
46,566,430.80/69,849,646.20 = 14,218,270.80/x - Step 3: Cross multiply
46,566,430.80x = 69,849,646.20 × 14,218,270.80 - Step 4: Simplify right side
46,566,430.80x = 993,141,184,955,791 - Step 5: Solve for x
x = 993,141,184,955,791/46,566,430.80 - Step 6: Final answer
x = 21,327,406.20
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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.