Finding the Fourth Proportional to 38,530,106.07, 53,179,270.95 and 22,857,829.68
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Solution
The fourth proportional to 38,530,106.07, 53,179,270.95 and 22,857,829.68 is: 31,548,387.53
Step by Step Solution
- Step 1: Write the proportion equation
38,530,106.07 : 53,179,270.95 = 22,857,829.68 : x - Step 2: Convert to fraction form
38,530,106.07/53,179,270.95 = 22,857,829.68/x - Step 3: Cross multiply
38,530,106.07x = 53,179,270.95 × 22,857,829.68 - Step 4: Simplify right side
38,530,106.07x = 1,215,562,717,881,671.75 - Step 5: Solve for x
x = 1,215,562,717,881,671.75/38,530,106.07 - Step 6: Final answer
x = 31,548,387.53
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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.