Finding the Fourth Proportional to 32,258,547.20, 48,387,820.80 and 8,324,019.20
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Solution
The fourth proportional to 32,258,547.20, 48,387,820.80 and 8,324,019.20 is: 12,486,028.80
Step by Step Solution
- Step 1: Write the proportion equation
32,258,547.20 : 48,387,820.80 = 8,324,019.20 : x - Step 2: Convert to fraction form
32,258,547.20/48,387,820.80 = 8,324,019.20/x - Step 3: Cross multiply
32,258,547.20x = 48,387,820.80 × 8,324,019.20 - Step 4: Simplify right side
32,258,547.20x = 402,781,149,385,359.38 - Step 5: Solve for x
x = 402,781,149,385,359.38/32,258,547.20 - Step 6: Final answer
x = 12,486,028.80
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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.