Finding the Fourth Proportional to 23,180,091.18, 31,988,649.33 and 14,483,307.12
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Solution
The fourth proportional to 23,180,091.18, 31,988,649.33 and 14,483,307.12 is: 19,987,040.99
Step by Step Solution
- Step 1: Write the proportion equation
23,180,091.18 : 31,988,649.33 = 14,483,307.12 : x - Step 2: Convert to fraction form
23,180,091.18/31,988,649.33 = 14,483,307.12/x - Step 3: Cross multiply
23,180,091.18x = 31,988,649.33 × 14,483,307.12 - Step 4: Simplify right side
23,180,091.18x = 463,301,432,600,372.19 - Step 5: Solve for x
x = 463,301,432,600,372.19/23,180,091.18 - Step 6: Final answer
x = 19,987,040.99
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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.