Finding the Fourth Proportional to 16,292,031.60, 24,453,793.80 and 8,214,128.40
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Solution
The fourth proportional to 16,292,031.60, 24,453,793.80 and 8,214,128.40 is: 12,329,131.63
Step by Step Solution
- Step 1: Write the proportion equation
16,292,031.60 : 24,453,793.80 = 8,214,128.40 : x - Step 2: Convert to fraction form
16,292,031.60/24,453,793.80 = 8,214,128.40/x - Step 3: Cross multiply
16,292,031.60x = 24,453,793.80 × 8,214,128.40 - Step 4: Simplify right side
16,292,031.60x = 200,866,602,140,323.94 - Step 5: Solve for x
x = 200,866,602,140,323.94/16,292,031.60 - Step 6: Final answer
x = 12,329,131.63
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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.