Finding the Fourth Proportional to 28,735,031.67, 39,655,268.99 and 16,344,807.40
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Solution
The fourth proportional to 28,735,031.67, 39,655,268.99 and 16,344,807.40 is: 22,556,360.52
Step by Step Solution
- Step 1: Write the proportion equation
28,735,031.67 : 39,655,268.99 = 16,344,807.40 : x - Step 2: Convert to fraction form
28,735,031.67/39,655,268.99 = 16,344,807.40/x - Step 3: Cross multiply
28,735,031.67x = 39,655,268.99 × 16,344,807.40 - Step 4: Simplify right side
28,735,031.67x = 648,157,734,036,742.62 - Step 5: Solve for x
x = 648,157,734,036,742.62/28,735,031.67 - Step 6: Final answer
x = 22,556,360.52
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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.