Finding the Fourth Proportional to 16,118,920.80, 24,178,381.20 and 15,173,359.20
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Solution
The fourth proportional to 16,118,920.80, 24,178,381.20 and 15,173,359.20 is: 22,760,038.80
Step by Step Solution
- Step 1: Write the proportion equation
16,118,920.80 : 24,178,381.20 = 15,173,359.20 : x - Step 2: Convert to fraction form
16,118,920.80/24,178,381.20 = 15,173,359.20/x - Step 3: Cross multiply
16,118,920.80x = 24,178,381.20 × 15,173,359.20 - Step 4: Simplify right side
16,118,920.80x = 366,867,262,822,127 - Step 5: Solve for x
x = 366,867,262,822,127/16,118,920.80 - Step 6: Final answer
x = 22,760,038.80
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1.5x scale
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.