Finding the Fourth Proportional to 10,865,422.92, 14,994,402.98 and 5,970,646.28
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Solution
The fourth proportional to 10,865,422.92, 14,994,402.98 and 5,970,646.28 is: 8,239,557.45
Step by Step Solution
- Step 1: Write the proportion equation
10,865,422.92 : 14,994,402.98 = 5,970,646.28 : x - Step 2: Convert to fraction form
10,865,422.92/14,994,402.98 = 5,970,646.28/x - Step 3: Cross multiply
10,865,422.92x = 14,994,402.98 × 5,970,646.28 - Step 4: Simplify right side
10,865,422.92x = 89,526,276,373,357.92 - Step 5: Solve for x
x = 89,526,276,373,357.92/10,865,422.92 - Step 6: Final answer
x = 8,239,557.45
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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.