Finding the Fourth Proportional to 7,349,741.19, 11,026,083.42 and 4,115,877.75
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Solution
The fourth proportional to 7,349,741.19, 11,026,083.42 and 4,115,877.75 is: 6,174,640.74
Step by Step Solution
- Step 1: Write the proportion equation
7,349,741.19 : 11,026,083.42 = 4,115,877.75 : x - Step 2: Convert to fraction form
7,349,741.19/11,026,083.42 = 4,115,877.75/x - Step 3: Cross multiply
7,349,741.19x = 11,026,083.42 × 4,115,877.75 - Step 4: Simplify right side
7,349,741.19x = 45,382,011,402,587.36 - Step 5: Solve for x
x = 45,382,011,402,587.36/7,349,741.19 - Step 6: Final answer
x = 6,174,640.74
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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.