Finding the Fourth Proportional to 20,012,929.93, 27,617,866.91 and 10,845,572.68
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Solution
The fourth proportional to 20,012,929.93, 27,617,866.91 and 10,845,572.68 is: 14,966,903.09
Step by Step Solution
- Step 1: Write the proportion equation
20,012,929.93 : 27,617,866.91 = 10,845,572.68 : x - Step 2: Convert to fraction form
20,012,929.93/27,617,866.91 = 10,845,572.68/x - Step 3: Cross multiply
20,012,929.93x = 27,617,866.91 × 10,845,572.68 - Step 4: Simplify right side
20,012,929.93x = 299,531,582,797,041.31 - Step 5: Solve for x
x = 299,531,582,797,041.31/20,012,929.93 - Step 6: Final answer
x = 14,966,903.09
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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.