Finding the Fourth Proportional to 21,425,587.13, 29,567,483.99 and 11,636,101.41
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Solution
The fourth proportional to 21,425,587.13, 29,567,483.99 and 11,636,101.41 is: 16,057,914.31
Step by Step Solution
- Step 1: Write the proportion equation
21,425,587.13 : 29,567,483.99 = 11,636,101.41 : x - Step 2: Convert to fraction form
21,425,587.13/29,567,483.99 = 11,636,101.41/x - Step 3: Cross multiply
21,425,587.13x = 29,567,483.99 × 11,636,101.41 - Step 4: Simplify right side
21,425,587.13x = 344,050,242,088,010.94 - Step 5: Solve for x
x = 344,050,242,088,010.94/21,425,587.13 - Step 6: Final answer
x = 16,057,914.31
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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.