Finding the Fourth Proportional to 39,159,921.04, 53,972,285.94 and 28,683,680.44
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Solution
The fourth proportional to 39,159,921.04, 53,972,285.94 and 28,683,680.44 is: 39,533,373.95
Step by Step Solution
- Step 1: Write the proportion equation
39,159,921.04 : 53,972,285.94 = 28,683,680.44 : x - Step 2: Convert to fraction form
39,159,921.04/53,972,285.94 = 28,683,680.44/x - Step 3: Cross multiply
39,159,921.04x = 53,972,285.94 × 28,683,680.44 - Step 4: Simplify right side
39,159,921.04x = 1,548,123,802,519,265 - Step 5: Solve for x
x = 1,548,123,802,519,265/39,159,921.04 - Step 6: Final answer
x = 39,533,373.95
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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.