Finding the Fourth Proportional to 16,397,439.60, 24,596,159.40 and 15,165,721.20
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Solution
The fourth proportional to 16,397,439.60, 24,596,159.40 and 15,165,721.20 is: 22,748,581.80
Step by Step Solution
- Step 1: Write the proportion equation
16,397,439.60 : 24,596,159.40 = 15,165,721.20 : x - Step 2: Convert to fraction form
16,397,439.60/24,596,159.40 = 15,165,721.20/x - Step 3: Cross multiply
16,397,439.60x = 24,596,159.40 × 15,165,721.20 - Step 4: Simplify right side
16,397,439.60x = 373,018,496,051,159.25 - Step 5: Solve for x
x = 373,018,496,051,159.25/16,397,439.60 - Step 6: Final answer
x = 22,748,581.80
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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.