Finding the Fourth Proportional to 24,234,271.20, 36,288,421.20 and 19,153,432.80
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Solution
The fourth proportional to 24,234,271.20, 36,288,421.20 and 19,153,432.80 is: 28,680,368.85
Step by Step Solution
- Step 1: Write the proportion equation
24,234,271.20 : 36,288,421.20 = 19,153,432.80 : x - Step 2: Convert to fraction form
24,234,271.20/36,288,421.20 = 19,153,432.80/x - Step 3: Cross multiply
24,234,271.20x = 36,288,421.20 × 19,153,432.80 - Step 4: Simplify right side
24,234,271.20x = 695,047,836,872,295.50 - Step 5: Solve for x
x = 695,047,836,872,295.50/24,234,271.20 - Step 6: Final answer
x = 28,680,368.85
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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.