Finding the Fourth Proportional to 39,629,901.30, 59,444,851.95 and 28,824,371.70
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Solution
The fourth proportional to 39,629,901.30, 59,444,851.95 and 28,824,371.70 is: 43,236,557.55
Step by Step Solution
- Step 1: Write the proportion equation
39,629,901.30 : 59,444,851.95 = 28,824,371.70 : x - Step 2: Convert to fraction form
39,629,901.30/59,444,851.95 = 28,824,371.70/x - Step 3: Cross multiply
39,629,901.30x = 59,444,851.95 × 28,824,371.70 - Step 4: Simplify right side
39,629,901.30x = 1,713,460,508,258,269.75 - Step 5: Solve for x
x = 1,713,460,508,258,269.75/39,629,901.30 - Step 6: Final answer
x = 43,236,557.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.