Finding the Fourth Proportional to 35,636,452.70, 49,178,304.71 and 19,338,928.70
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Solution
The fourth proportional to 35,636,452.70, 49,178,304.71 and 19,338,928.70 is: 26,687,721.59
Step by Step Solution
- Step 1: Write the proportion equation
35,636,452.70 : 49,178,304.71 = 19,338,928.70 : x - Step 2: Convert to fraction form
35,636,452.70/49,178,304.71 = 19,338,928.70/x - Step 3: Cross multiply
35,636,452.70x = 49,178,304.71 × 19,338,928.70 - Step 4: Simplify right side
35,636,452.70x = 951,055,728,030,978 - Step 5: Solve for x
x = 951,055,728,030,978/35,636,452.70 - Step 6: Final answer
x = 26,687,721.59
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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.