Finding the Fourth Proportional to 6,972,913.80, 10,459,370.70 and 5,083,345.80
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Solution
The fourth proportional to 6,972,913.80, 10,459,370.70 and 5,083,345.80 is: 7,625,018.70
Step by Step Solution
- Step 1: Write the proportion equation
6,972,913.80 : 10,459,370.70 = 5,083,345.80 : x - Step 2: Convert to fraction form
6,972,913.80/10,459,370.70 = 5,083,345.80/x - Step 3: Cross multiply
6,972,913.80x = 10,459,370.70 × 5,083,345.80 - Step 4: Simplify right side
6,972,913.80x = 53,168,598,118,488.05 - Step 5: Solve for x
x = 53,168,598,118,488.05/6,972,913.80 - Step 6: Final answer
x = 7,625,018.70
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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.