Finding the Fourth Proportional to 27,373,878.16, 37,775,202.75 and 15,612,881.06
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Solution
The fourth proportional to 27,373,878.16, 37,775,202.75 and 15,612,881.06 is: 21,545,348.61
Step by Step Solution
- Step 1: Write the proportion equation
27,373,878.16 : 37,775,202.75 = 15,612,881.06 : x - Step 2: Convert to fraction form
27,373,878.16/37,775,202.75 = 15,612,881.06/x - Step 3: Cross multiply
27,373,878.16x = 37,775,202.75 × 15,612,881.06 - Step 4: Simplify right side
27,373,878.16x = 589,779,747,647,572.88 - Step 5: Solve for x
x = 589,779,747,647,572.88/27,373,878.16 - Step 6: Final answer
x = 21,545,348.61
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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.