Finding the Fourth Proportional to 51,416,141.24, 70,955,580.42 and 28,211,262.05
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Solution
The fourth proportional to 51,416,141.24, 70,955,580.42 and 28,211,262.05 is: 38,932,257.94
Step by Step Solution
- Step 1: Write the proportion equation
51,416,141.24 : 70,955,580.42 = 28,211,262.05 : x - Step 2: Convert to fraction form
51,416,141.24/70,955,580.42 = 28,211,262.05/x - Step 3: Cross multiply
51,416,141.24x = 70,955,580.42 × 28,211,262.05 - Step 4: Simplify right side
51,416,141.24x = 2,001,746,473,315,858 - Step 5: Solve for x
x = 2,001,746,473,315,858/51,416,141.24 - Step 6: Final answer
x = 38,932,257.94
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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.