Finding the Fourth Proportional to 19,517,279.16, 26,925,013.26 and 11,779,848.12
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Solution
The fourth proportional to 19,517,279.16, 26,925,013.26 and 11,779,848.12 is: 16,250,859.78
Step by Step Solution
- Step 1: Write the proportion equation
19,517,279.16 : 26,925,013.26 = 11,779,848.12 : x - Step 2: Convert to fraction form
19,517,279.16/26,925,013.26 = 11,779,848.12/x - Step 3: Cross multiply
19,517,279.16x = 26,925,013.26 × 11,779,848.12 - Step 4: Simplify right side
19,517,279.16x = 317,172,566,831,786.06 - Step 5: Solve for x
x = 317,172,566,831,786.06/19,517,279.16 - Step 6: Final answer
x = 16,250,859.78
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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.