Finding the Fourth Proportional to 16,442,845.20, 24,664,267.80 and 7,939,789.20
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Solution
The fourth proportional to 16,442,845.20, 24,664,267.80 and 7,939,789.20 is: 11,909,683.80
Step by Step Solution
- Step 1: Write the proportion equation
16,442,845.20 : 24,664,267.80 = 7,939,789.20 : x - Step 2: Convert to fraction form
16,442,845.20/24,664,267.80 = 7,939,789.20/x - Step 3: Cross multiply
16,442,845.20x = 24,664,267.80 × 7,939,789.20 - Step 4: Simplify right side
16,442,845.20x = 195,829,087,104,347.78 - Step 5: Solve for x
x = 195,829,087,104,347.78/16,442,845.20 - Step 6: Final answer
x = 11,909,683.80
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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.