Finding the Fourth Proportional to 28,735,010.42, 39,655,239.59 and 16,344,786.08
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Solution
The fourth proportional to 28,735,010.42, 39,655,239.59 and 16,344,786.08 is: 22,556,331.07
Step by Step Solution
- Step 1: Write the proportion equation
28,735,010.42 : 39,655,239.59 = 16,344,786.08 : x - Step 2: Convert to fraction form
28,735,010.42/39,655,239.59 = 16,344,786.08/x - Step 3: Cross multiply
28,735,010.42x = 39,655,239.59 × 16,344,786.08 - Step 4: Simplify right side
28,735,010.42x = 648,156,408,189,697 - Step 5: Solve for x
x = 648,156,408,189,697/28,735,010.42 - Step 6: Final answer
x = 22,556,331.07
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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.