Finding the Fourth Proportional to 17,386,586.40, 26,084,545.20 and 15,506,349.60
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Solution
The fourth proportional to 17,386,586.40, 26,084,545.20 and 15,506,349.60 is: 23,263,685.45
Step by Step Solution
- Step 1: Write the proportion equation
17,386,586.40 : 26,084,545.20 = 15,506,349.60 : x - Step 2: Convert to fraction form
17,386,586.40/26,084,545.20 = 15,506,349.60/x - Step 3: Cross multiply
17,386,586.40x = 26,084,545.20 × 15,506,349.60 - Step 4: Simplify right side
17,386,586.40x = 404,476,077,028,201.88 - Step 5: Solve for x
x = 404,476,077,028,201.88/17,386,586.40 - Step 6: Final answer
x = 23,263,685.45
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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.