Finding the Fourth Proportional to 16,292,937.60, 24,453,403.20 and 7,209,014.40
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Solution
The fourth proportional to 16,292,937.60, 24,453,403.20 and 7,209,014.40 is: 10,819,714.66
Step by Step Solution
- Step 1: Write the proportion equation
16,292,937.60 : 24,453,403.20 = 7,209,014.40 : x - Step 2: Convert to fraction form
16,292,937.60/24,453,403.20 = 7,209,014.40/x - Step 3: Cross multiply
16,292,937.60x = 24,453,403.20 × 7,209,014.40 - Step 4: Simplify right side
16,292,937.60x = 176,284,935,797,806.09 - Step 5: Solve for x
x = 176,284,935,797,806.09/16,292,937.60 - Step 6: Final answer
x = 10,819,714.66
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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.