Finding the Fourth Proportional to 21,333,763.08, 29,440,671.10 and 11,544,207.36
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Solution
The fourth proportional to 21,333,763.08, 29,440,671.10 and 11,544,207.36 is: 15,931,048.39
Step by Step Solution
- Step 1: Write the proportion equation
21,333,763.08 : 29,440,671.10 = 11,544,207.36 : x - Step 2: Convert to fraction form
21,333,763.08/29,440,671.10 = 11,544,207.36/x - Step 3: Cross multiply
21,333,763.08x = 29,440,671.10 × 11,544,207.36 - Step 4: Simplify right side
21,333,763.08x = 339,869,211,995,959.31 - Step 5: Solve for x
x = 339,869,211,995,959.31/21,333,763.08 - Step 6: Final answer
x = 15,931,048.39
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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.