Finding the Fourth Proportional to 37,420,003.75, 56,132,017.68 and 11,863,006.06
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Solution
The fourth proportional to 37,420,003.75, 56,132,017.68 and 11,863,006.06 is: 17,795,146.95
Step by Step Solution
- Step 1: Write the proportion equation
37,420,003.75 : 56,132,017.68 = 11,863,006.06 : x - Step 2: Convert to fraction form
37,420,003.75/56,132,017.68 = 11,863,006.06/x - Step 3: Cross multiply
37,420,003.75x = 56,132,017.68 × 11,863,006.06 - Step 4: Simplify right side
37,420,003.75x = 665,894,465,617,207 - Step 5: Solve for x
x = 665,894,465,617,207/37,420,003.75 - Step 6: Final answer
x = 17,795,146.95
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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.