Finding the Fourth Proportional to 35,190,631, 48,545,813.64 and 30,537,885.70
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Solution
The fourth proportional to 35,190,631, 48,545,813.64 and 30,537,885.70 is: 42,127,306.79
Step by Step Solution
- Step 1: Write the proportion equation
35,190,631 : 48,545,813.64 = 30,537,885.70 : x - Step 2: Convert to fraction form
35,190,631/48,545,813.64 = 30,537,885.70/x - Step 3: Cross multiply
35,190,631x = 48,545,813.64 × 30,537,885.70 - Step 4: Simplify right side
35,190,631x = 1,482,486,508,151,821 - Step 5: Solve for x
x = 1,482,486,508,151,821/35,190,631 - Step 6: Final answer
x = 42,127,306.79
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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.