Finding the Fourth Proportional to 7,444,648.88, 11,176,536.77 and 5,739,875.06
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Solution
The fourth proportional to 7,444,648.88, 11,176,536.77 and 5,739,875.06 is: 8,617,186.07
Step by Step Solution
- Step 1: Write the proportion equation
7,444,648.88 : 11,176,536.77 = 5,739,875.06 : x - Step 2: Convert to fraction form
7,444,648.88/11,176,536.77 = 5,739,875.06/x - Step 3: Cross multiply
7,444,648.88x = 11,176,536.77 × 5,739,875.06 - Step 4: Simplify right side
7,444,648.88x = 64,151,924,600,238.43 - Step 5: Solve for x
x = 64,151,924,600,238.43/7,444,648.88 - Step 6: Final answer
x = 8,617,186.07
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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.