Finding the Fourth Proportional to 32,258,421.70, 48,387,632.55 and 31,163,560.90
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Solution
The fourth proportional to 32,258,421.70, 48,387,632.55 and 31,163,560.90 is: 46,745,341.35
Step by Step Solution
- Step 1: Write the proportion equation
32,258,421.70 : 48,387,632.55 = 31,163,560.90 : x - Step 2: Convert to fraction form
32,258,421.70/48,387,632.55 = 31,163,560.90/x - Step 3: Cross multiply
32,258,421.70x = 48,387,632.55 × 31,163,560.90 - Step 4: Simplify right side
32,258,421.70x = 1,507,930,933,778,747.25 - Step 5: Solve for x
x = 1,507,930,933,778,747.25/32,258,421.70 - Step 6: Final answer
x = 46,745,341.35
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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.