Finding the Fourth Proportional to 28,949,227.47, 39,950,627.99 and 15,718,962.01
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Solution
The fourth proportional to 28,949,227.47, 39,950,627.99 and 15,718,962.01 is: 21,692,544.45
Step by Step Solution
- Step 1: Write the proportion equation
28,949,227.47 : 39,950,627.99 = 15,718,962.01 : x - Step 2: Convert to fraction form
28,949,227.47/39,950,627.99 = 15,718,962.01/x - Step 3: Cross multiply
28,949,227.47x = 39,950,627.99 × 15,718,962.01 - Step 4: Simplify right side
28,949,227.47x = 627,982,403,650,452.62 - Step 5: Solve for x
x = 627,982,403,650,452.62/28,949,227.47 - Step 6: Final answer
x = 21,692,544.45
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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.