Finding the Fourth Proportional to 17,386,721.40, 26,084,747.70 and 15,506,484.60
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Solution
The fourth proportional to 17,386,721.40, 26,084,747.70 and 15,506,484.60 is: 23,263,887.95
Step by Step Solution
- Step 1: Write the proportion equation
17,386,721.40 : 26,084,747.70 = 15,506,484.60 : x - Step 2: Convert to fraction form
17,386,721.40/26,084,747.70 = 15,506,484.60/x - Step 3: Cross multiply
17,386,721.40x = 26,084,747.70 × 15,506,484.60 - Step 4: Simplify right side
17,386,721.40x = 404,482,738,504,935.38 - Step 5: Solve for x
x = 404,482,738,504,935.38/17,386,721.40 - Step 6: Final answer
x = 23,263,887.95
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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.