Finding the Fourth Proportional to 16,129,432.40, 24,169,265.40 and 13,989,477.20
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Solution
The fourth proportional to 16,129,432.40, 24,169,265.40 and 13,989,477.20 is: 20,962,633.95
Step by Step Solution
- Step 1: Write the proportion equation
16,129,432.40 : 24,169,265.40 = 13,989,477.20 : x - Step 2: Convert to fraction form
16,129,432.40/24,169,265.40 = 13,989,477.20/x - Step 3: Cross multiply
16,129,432.40x = 24,169,265.40 × 13,989,477.20 - Step 4: Simplify right side
16,129,432.40x = 338,115,387,254,048.81 - Step 5: Solve for x
x = 338,115,387,254,048.81/16,129,432.40 - Step 6: Final answer
x = 20,962,633.95
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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.