Finding the Fourth Proportional to 39,838,283.24, 54,979,646.29 and 22,198,356.77
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Solution
The fourth proportional to 39,838,283.24, 54,979,646.29 and 22,198,356.77 is: 30,635,301.12
Step by Step Solution
- Step 1: Write the proportion equation
39,838,283.24 : 54,979,646.29 = 22,198,356.77 : x - Step 2: Convert to fraction form
39,838,283.24/54,979,646.29 = 22,198,356.77/x - Step 3: Cross multiply
39,838,283.24x = 54,979,646.29 × 22,198,356.77 - Step 4: Simplify right side
39,838,283.24x = 1,220,457,803,103,432.75 - Step 5: Solve for x
x = 1,220,457,803,103,432.75/39,838,283.24 - Step 6: Final answer
x = 30,635,301.12
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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.