Finding the Fourth Proportional to 53,277,071.26, 73,522,358.46 and 28,830,785.26
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Solution
The fourth proportional to 53,277,071.26, 73,522,358.46 and 28,830,785.26 is: 39,786,483.72
Step by Step Solution
- Step 1: Write the proportion equation
53,277,071.26 : 73,522,358.46 = 28,830,785.26 : x - Step 2: Convert to fraction form
53,277,071.26/73,522,358.46 = 28,830,785.26/x - Step 3: Cross multiply
53,277,071.26x = 73,522,358.46 × 28,830,785.26 - Step 4: Simplify right side
53,277,071.26x = 2,119,707,328,569,004.25 - Step 5: Solve for x
x = 2,119,707,328,569,004.25/53,277,071.26 - Step 6: Final answer
x = 39,786,483.72
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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.