Finding the Fourth Proportional to 28,551,273.24, 39,400,806.88 and 15,498,541
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Solution
The fourth proportional to 28,551,273.24, 39,400,806.88 and 15,498,541 is: 21,388,013.62
Step by Step Solution
- Step 1: Write the proportion equation
28,551,273.24 : 39,400,806.88 = 15,498,541 : x - Step 2: Convert to fraction form
28,551,273.24/39,400,806.88 = 15,498,541/x - Step 3: Cross multiply
28,551,273.24x = 39,400,806.88 × 15,498,541 - Step 4: Simplify right side
28,551,273.24x = 610,655,020,862,762.12 - Step 5: Solve for x
x = 610,655,020,862,762.12/28,551,273.24 - Step 6: Final answer
x = 21,388,013.62
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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.