Finding the Fourth Proportional to 16,605,137.30, 24,918,203.55 and 9,781,697.30
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Solution
The fourth proportional to 16,605,137.30, 24,918,203.55 and 9,781,697.30 is: 14,678,729.84
Step by Step Solution
- Step 1: Write the proportion equation
16,605,137.30 : 24,918,203.55 = 9,781,697.30 : x - Step 2: Convert to fraction form
16,605,137.30/24,918,203.55 = 9,781,697.30/x - Step 3: Cross multiply
16,605,137.30x = 24,918,203.55 × 9,781,697.30 - Step 4: Simplify right side
16,605,137.30x = 243,742,324,385,885.44 - Step 5: Solve for x
x = 243,742,324,385,885.44/16,605,137.30 - Step 6: Final answer
x = 14,678,729.84
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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.