Finding the Fourth Proportional to 19,122,894.74, 26,388,924.44 and 10,420,889.78
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Solution
The fourth proportional to 19,122,894.74, 26,388,924.44 and 10,420,889.78 is: 14,380,462.62
Step by Step Solution
- Step 1: Write the proportion equation
19,122,894.74 : 26,388,924.44 = 10,420,889.78 : x - Step 2: Convert to fraction form
19,122,894.74/26,388,924.44 = 10,420,889.78/x - Step 3: Cross multiply
19,122,894.74x = 26,388,924.44 × 10,420,889.78 - Step 4: Simplify right side
19,122,894.74x = 274,996,073,001,988.22 - Step 5: Solve for x
x = 274,996,073,001,988.22/19,122,894.74 - Step 6: Final answer
x = 14,380,462.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.