Finding the Fourth Proportional to 19,267,349.13, 28,901,120.29 and 4,890,421.19
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Solution
The fourth proportional to 19,267,349.13, 28,901,120.29 and 4,890,421.19 is: 7,335,656.30
Step by Step Solution
- Step 1: Write the proportion equation
19,267,349.13 : 28,901,120.29 = 4,890,421.19 : x - Step 2: Convert to fraction form
19,267,349.13/28,901,120.29 = 4,890,421.19/x - Step 3: Cross multiply
19,267,349.13x = 28,901,120.29 × 4,890,421.19 - Step 4: Simplify right side
19,267,349.13x = 141,338,651,080,954.94 - Step 5: Solve for x
x = 141,338,651,080,954.94/19,267,349.13 - Step 6: Final answer
x = 7,335,656.30
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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.