Finding the Fourth Proportional to 19,463,619.36, 29,197,172.78 and 5,630,360.79
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Solution
The fourth proportional to 19,463,619.36, 29,197,172.78 and 5,630,360.79 is: 8,446,045.61
Step by Step Solution
- Step 1: Write the proportion equation
19,463,619.36 : 29,197,172.78 = 5,630,360.79 : x - Step 2: Convert to fraction form
19,463,619.36/29,197,172.78 = 5,630,360.79/x - Step 3: Cross multiply
19,463,619.36x = 29,197,172.78 × 5,630,360.79 - Step 4: Simplify right side
19,463,619.36x = 164,390,616,799,367.31 - Step 5: Solve for x
x = 164,390,616,799,367.31/19,463,619.36 - Step 6: Final answer
x = 8,446,045.61
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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.