Finding the Fourth Proportional to 19,518,921.84, 29,284,501.59 and 11,746,317.09
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Solution
The fourth proportional to 19,518,921.84, 29,284,501.59 and 11,746,317.09 is: 17,623,157.89
Step by Step Solution
- Step 1: Write the proportion equation
19,518,921.84 : 29,284,501.59 = 11,746,317.09 : x - Step 2: Convert to fraction form
19,518,921.84/29,284,501.59 = 11,746,317.09/x - Step 3: Cross multiply
19,518,921.84x = 29,284,501.59 × 11,746,317.09 - Step 4: Simplify right side
19,518,921.84x = 343,985,041,498,749.19 - Step 5: Solve for x
x = 343,985,041,498,749.19/19,518,921.84 - Step 6: Final answer
x = 17,623,157.89
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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.