Finding the Fourth Proportional to 7,650,221.95, 11,475,320.63 and 5,246,780.03
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Solution
The fourth proportional to 7,650,221.95, 11,475,320.63 and 5,246,780.03 is: 7,870,161.61
Step by Step Solution
- Step 1: Write the proportion equation
7,650,221.95 : 11,475,320.63 = 5,246,780.03 : x - Step 2: Convert to fraction form
7,650,221.95/11,475,320.63 = 5,246,780.03/x - Step 3: Cross multiply
7,650,221.95x = 11,475,320.63 × 5,246,780.03 - Step 4: Simplify right side
7,650,221.95x = 60,208,483,078,752.96 - Step 5: Solve for x
x = 60,208,483,078,752.96/7,650,221.95 - Step 6: Final answer
x = 7,870,161.61
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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.