Finding the Fourth Proportional to 28,609,956.19, 42,916,418.70 and 9,442,207.93
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Solution
The fourth proportional to 28,609,956.19, 42,916,418.70 and 9,442,207.93 is: 14,163,801.80
Step by Step Solution
- Step 1: Write the proportion equation
28,609,956.19 : 42,916,418.70 = 9,442,207.93 : x - Step 2: Convert to fraction form
28,609,956.19/42,916,418.70 = 9,442,207.93/x - Step 3: Cross multiply
28,609,956.19x = 42,916,418.70 × 9,442,207.93 - Step 4: Simplify right side
28,609,956.19x = 405,225,748,976,340.31 - Step 5: Solve for x
x = 405,225,748,976,340.31/28,609,956.19 - Step 6: Final answer
x = 14,163,801.80
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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.