Finding the Fourth Proportional to 10,587,781.12, 15,881,673.12 and 2,609,605.12
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Solution
The fourth proportional to 10,587,781.12, 15,881,673.12 and 2,609,605.12 is: 3,914,408.03
Step by Step Solution
- Step 1: Write the proportion equation
10,587,781.12 : 15,881,673.12 = 2,609,605.12 : x - Step 2: Convert to fraction form
10,587,781.12/15,881,673.12 = 2,609,605.12/x - Step 3: Cross multiply
10,587,781.12x = 15,881,673.12 × 2,609,605.12 - Step 4: Simplify right side
10,587,781.12x = 41,444,895,488,118.38 - Step 5: Solve for x
x = 41,444,895,488,118.38/10,587,781.12 - Step 6: Final answer
x = 3,914,408.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.