Finding the Fourth Proportional to 18,944,298.25, 26,141,179.28 and 13,985,377.00
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Solution
The fourth proportional to 18,944,298.25, 26,141,179.28 and 13,985,377.00 is: 19,298,378.99
Step by Step Solution
- Step 1: Write the proportion equation
18,944,298.25 : 26,141,179.28 = 13,985,377.00 : x - Step 2: Convert to fraction form
18,944,298.25/26,141,179.28 = 13,985,377.00/x - Step 3: Cross multiply
18,944,298.25x = 26,141,179.28 × 13,985,377.00 - Step 4: Simplify right side
18,944,298.25x = 365,594,247,320,108.75 - Step 5: Solve for x
x = 365,594,247,320,108.75/18,944,298.25 - Step 6: Final answer
x = 19,298,378.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.