Finding the Fourth Proportional to 32,258,567.70, 48,387,851.55 and 28,479,431.70
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Solution
The fourth proportional to 32,258,567.70, 48,387,851.55 and 28,479,431.70 is: 42,719,147.55
Step by Step Solution
- Step 1: Write the proportion equation
32,258,567.70 : 48,387,851.55 = 28,479,431.70 : x - Step 2: Convert to fraction form
32,258,567.70/48,387,851.55 = 28,479,431.70/x - Step 3: Cross multiply
32,258,567.70x = 48,387,851.55 × 28,479,431.70 - Step 4: Simplify right side
32,258,567.70x = 1,378,058,513,327,964 - Step 5: Solve for x
x = 1,378,058,513,327,964/32,258,567.70 - Step 6: Final answer
x = 42,719,147.55
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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.