Finding the Fourth Proportional to 7,068,335.20, 10,602,502.80 and 3,474,656.80
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Solution
The fourth proportional to 7,068,335.20, 10,602,502.80 and 3,474,656.80 is: 5,211,985.20
Step by Step Solution
- Step 1: Write the proportion equation
7,068,335.20 : 10,602,502.80 = 3,474,656.80 : x - Step 2: Convert to fraction form
7,068,335.20/10,602,502.80 = 3,474,656.80/x - Step 3: Cross multiply
7,068,335.20x = 10,602,502.80 × 3,474,656.80 - Step 4: Simplify right side
7,068,335.20x = 36,840,058,451,039.04 - Step 5: Solve for x
x = 36,840,058,451,039.04/7,068,335.20 - Step 6: Final answer
x = 5,211,985.20
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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.