Finding the Fourth Proportional to 10,498,403.68, 14,487,796.98 and 5,669,507.68
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Solution
The fourth proportional to 10,498,403.68, 14,487,796.98 and 5,669,507.68 is: 7,823,920.55
Step by Step Solution
- Step 1: Write the proportion equation
10,498,403.68 : 14,487,796.98 = 5,669,507.68 : x - Step 2: Convert to fraction form
10,498,403.68/14,487,796.98 = 5,669,507.68/x - Step 3: Cross multiply
10,498,403.68x = 14,487,796.98 × 5,669,507.68 - Step 4: Simplify right side
10,498,403.68x = 82,138,676,244,390.80 - Step 5: Solve for x
x = 82,138,676,244,390.80/10,498,403.68 - Step 6: Final answer
x = 7,823,920.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.