Finding the Fourth Proportional to 27,856,088.03, 38,442,602.07 and 15,466,182.05
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Solution
The fourth proportional to 27,856,088.03, 38,442,602.07 and 15,466,182.05 is: 21,343,997.82
Step by Step Solution
- Step 1: Write the proportion equation
27,856,088.03 : 38,442,602.07 = 15,466,182.05 : x - Step 2: Convert to fraction form
27,856,088.03/38,442,602.07 = 15,466,182.05/x - Step 3: Cross multiply
27,856,088.03x = 38,442,602.07 × 15,466,182.05 - Step 4: Simplify right side
27,856,088.03x = 594,560,282,186,433.38 - Step 5: Solve for x
x = 594,560,282,186,433.38/27,856,088.03 - Step 6: Final answer
x = 21,343,997.82
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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.