Finding the Fourth Proportional to 32,258,281.20, 48,387,421.80 and 28,479,145.20
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Solution
The fourth proportional to 32,258,281.20, 48,387,421.80 and 28,479,145.20 is: 42,718,717.80
Step by Step Solution
- Step 1: Write the proportion equation
32,258,281.20 : 48,387,421.80 = 28,479,145.20 : x - Step 2: Convert to fraction form
32,258,281.20/48,387,421.80 = 28,479,145.20/x - Step 3: Cross multiply
32,258,281.20x = 48,387,421.80 × 28,479,145.20 - Step 4: Simplify right side
32,258,281.20x = 1,378,032,411,295,845.25 - Step 5: Solve for x
x = 1,378,032,411,295,845.25/32,258,281.20 - Step 6: Final answer
x = 42,718,717.80
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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.