Finding the Fourth Proportional to 23,998,419.88, 33,122,130.42 and 13,547,621.68
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Solution
The fourth proportional to 23,998,419.88, 33,122,130.42 and 13,547,621.68 is: 18,698,151.56
Step by Step Solution
- Step 1: Write the proportion equation
23,998,419.88 : 33,122,130.42 = 13,547,621.68 : x - Step 2: Convert to fraction form
23,998,419.88/33,122,130.42 = 13,547,621.68/x - Step 3: Cross multiply
23,998,419.88x = 33,122,130.42 × 13,547,621.68 - Step 4: Simplify right side
23,998,419.88x = 448,726,092,165,779.50 - Step 5: Solve for x
x = 448,726,092,165,779.50/23,998,419.88 - Step 6: Final answer
x = 18,698,151.56
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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.