Finding the Fourth Proportional to 11,016,312.84, 15,202,207.44 and 6,121,408.32
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Solution
The fourth proportional to 11,016,312.84, 15,202,207.44 and 6,121,408.32 is: 8,447,374.40
Step by Step Solution
- Step 1: Write the proportion equation
11,016,312.84 : 15,202,207.44 = 6,121,408.32 : x - Step 2: Convert to fraction form
11,016,312.84/15,202,207.44 = 6,121,408.32/x - Step 3: Cross multiply
11,016,312.84x = 15,202,207.44 × 6,121,408.32 - Step 4: Simplify right side
11,016,312.84x = 93,058,919,105,581.91 - Step 5: Solve for x
x = 93,058,919,105,581.91/11,016,312.84 - Step 6: Final answer
x = 8,447,374.40
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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.