Finding the Fourth Proportional to 7,654,203.36, 11,482,717.68 and 3,166,829.28
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Solution
The fourth proportional to 7,654,203.36, 11,482,717.68 and 3,166,829.28 is: 4,750,828.38
Step by Step Solution
- Step 1: Write the proportion equation
7,654,203.36 : 11,482,717.68 = 3,166,829.28 : x - Step 2: Convert to fraction form
7,654,203.36/11,482,717.68 = 3,166,829.28/x - Step 3: Cross multiply
7,654,203.36x = 11,482,717.68 × 3,166,829.28 - Step 4: Simplify right side
7,654,203.36x = 36,363,806,547,163.52 - Step 5: Solve for x
x = 36,363,806,547,163.52/7,654,203.36 - Step 6: Final answer
x = 4,750,828.38
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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.