Finding the Fourth Proportional to 16,387,504.20, 24,581,256.30 and 10,430,281.80
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Solution
The fourth proportional to 16,387,504.20, 24,581,256.30 and 10,430,281.80 is: 15,645,422.70
Step by Step Solution
- Step 1: Write the proportion equation
16,387,504.20 : 24,581,256.30 = 10,430,281.80 : x - Step 2: Convert to fraction form
16,387,504.20/24,581,256.30 = 10,430,281.80/x - Step 3: Cross multiply
16,387,504.20x = 24,581,256.30 × 10,430,281.80 - Step 4: Simplify right side
16,387,504.20x = 256,389,430,207,025.38 - Step 5: Solve for x
x = 256,389,430,207,025.38/16,387,504.20 - Step 6: Final answer
x = 15,645,422.70
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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.