Finding the Fourth Proportional to 27,765,665.06, 38,316,137.46 and 15,375,513.02
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Solution
The fourth proportional to 27,765,665.06, 38,316,137.46 and 15,375,513.02 is: 21,217,941.98
Step by Step Solution
- Step 1: Write the proportion equation
27,765,665.06 : 38,316,137.46 = 15,375,513.02 : x - Step 2: Convert to fraction form
27,765,665.06/38,316,137.46 = 15,375,513.02/x - Step 3: Cross multiply
27,765,665.06x = 38,316,137.46 × 15,375,513.02 - Step 4: Simplify right side
27,765,665.06x = 589,130,270,392,339.75 - Step 5: Solve for x
x = 589,130,270,392,339.75/27,765,665.06 - Step 6: Final answer
x = 21,217,941.98
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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.