Finding the Fourth Proportional to 39,569,988.76, 54,579,319.50 and 27,834,151.48
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Solution
The fourth proportional to 39,569,988.76, 54,579,319.50 and 27,834,151.48 is: 38,391,950.42
Step by Step Solution
- Step 1: Write the proportion equation
39,569,988.76 : 54,579,319.50 = 27,834,151.48 : x - Step 2: Convert to fraction form
39,569,988.76/54,579,319.50 = 27,834,151.48/x - Step 3: Cross multiply
39,569,988.76x = 54,579,319.50 × 27,834,151.48 - Step 4: Simplify right side
39,569,988.76x = 1,519,169,046,638,318 - Step 5: Solve for x
x = 1,519,169,046,638,318/39,569,988.76 - Step 6: Final answer
x = 38,391,950.42
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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.