Finding the Fourth Proportional to 35,431,865.60, 48,895,974.40 and 19,134,340.48
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Solution
The fourth proportional to 35,431,865.60, 48,895,974.40 and 19,134,340.48 is: 26,405,389.79
Step by Step Solution
- Step 1: Write the proportion equation
35,431,865.60 : 48,895,974.40 = 19,134,340.48 : x - Step 2: Convert to fraction form
35,431,865.60/48,895,974.40 = 19,134,340.48/x - Step 3: Cross multiply
35,431,865.60x = 48,895,974.40 × 19,134,340.48 - Step 4: Simplify right side
35,431,865.60x = 935,592,222,270,963.75 - Step 5: Solve for x
x = 935,592,222,270,963.75/35,431,865.60 - Step 6: Final answer
x = 26,405,389.79
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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.