Finding the Fourth Proportional to 8,178,656.76, 12,270,193.94 and 2,498,726.16
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Solution
The fourth proportional to 8,178,656.76, 12,270,193.94 and 2,498,726.16 is: 3,748,764.07
Step by Step Solution
- Step 1: Write the proportion equation
8,178,656.76 : 12,270,193.94 = 2,498,726.16 : x - Step 2: Convert to fraction form
8,178,656.76/12,270,193.94 = 2,498,726.16/x - Step 3: Cross multiply
8,178,656.76x = 12,270,193.94 × 2,498,726.16 - Step 4: Simplify right side
8,178,656.76x = 30,659,854,586,151.47 - Step 5: Solve for x
x = 30,659,854,586,151.47/8,178,656.76 - Step 6: Final answer
x = 3,748,764.07
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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.