Finding the Fourth Proportional to 42,574,963.14, 63,902,819.61 and 26,351,840.82
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Solution
The fourth proportional to 42,574,963.14, 63,902,819.61 and 26,351,840.82 is: 39,552,751.34
Step by Step Solution
- Step 1: Write the proportion equation
42,574,963.14 : 63,902,819.61 = 26,351,840.82 : x - Step 2: Convert to fraction form
42,574,963.14/63,902,819.61 = 26,351,840.82/x - Step 3: Cross multiply
42,574,963.14x = 63,902,819.61 × 26,351,840.82 - Step 4: Simplify right side
42,574,963.14x = 1,683,956,930,311,894.50 - Step 5: Solve for x
x = 1,683,956,930,311,894.50/42,574,963.14 - Step 6: Final answer
x = 39,552,751.34
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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.