Finding the Fourth Proportional to 47,564,801.57, 65,638,309.65 and 27,986,957.93
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Solution
The fourth proportional to 47,564,801.57, 65,638,309.65 and 27,986,957.93 is: 38,621,344.99
Step by Step Solution
- Step 1: Write the proportion equation
47,564,801.57 : 65,638,309.65 = 27,986,957.93 : x - Step 2: Convert to fraction form
47,564,801.57/65,638,309.65 = 27,986,957.93/x - Step 3: Cross multiply
47,564,801.57x = 65,638,309.65 × 27,986,957.93 - Step 4: Simplify right side
47,564,801.57x = 1,837,016,610,770,863 - Step 5: Solve for x
x = 1,837,016,610,770,863/47,564,801.57 - Step 6: Final answer
x = 38,621,344.99
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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.