Finding the Fourth Proportional to 18,133,278.74, 25,024,373.40 and 9,873,793.82
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Solution
The fourth proportional to 18,133,278.74, 25,024,373.40 and 9,873,793.82 is: 13,626,079.82
Step by Step Solution
- Step 1: Write the proportion equation
18,133,278.74 : 25,024,373.40 = 9,873,793.82 : x - Step 2: Convert to fraction form
18,133,278.74/25,024,373.40 = 9,873,793.82/x - Step 3: Cross multiply
18,133,278.74x = 25,024,373.40 × 9,873,793.82 - Step 4: Simplify right side
18,133,278.74x = 247,085,503,426,292.38 - Step 5: Solve for x
x = 247,085,503,426,292.38/18,133,278.74 - Step 6: Final answer
x = 13,626,079.82
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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.