Finding the Fourth Proportional to 37,695,430.29, 52,021,915.84 and 28,386,576.87
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Solution
The fourth proportional to 37,695,430.29, 52,021,915.84 and 28,386,576.87 is: 39,175,149.39
Step by Step Solution
- Step 1: Write the proportion equation
37,695,430.29 : 52,021,915.84 = 28,386,576.87 : x - Step 2: Convert to fraction form
37,695,430.29/52,021,915.84 = 28,386,576.87/x - Step 3: Cross multiply
37,695,430.29x = 52,021,915.84 × 28,386,576.87 - Step 4: Simplify right side
37,695,430.29x = 1,476,724,112,916,830.75 - Step 5: Solve for x
x = 1,476,724,112,916,830.75/37,695,430.29 - Step 6: Final answer
x = 39,175,149.39
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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.