Finding the Fourth Proportional to 14,885,742.40, 22,328,613.60 and 14,759,771.20
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Solution
The fourth proportional to 14,885,742.40, 22,328,613.60 and 14,759,771.20 is: 22,139,656.80
Step by Step Solution
- Step 1: Write the proportion equation
14,885,742.40 : 22,328,613.60 = 14,759,771.20 : x - Step 2: Convert to fraction form
14,885,742.40/22,328,613.60 = 14,759,771.20/x - Step 3: Cross multiply
14,885,742.40x = 22,328,613.60 × 14,759,771.20 - Step 4: Simplify right side
14,885,742.40x = 329,565,227,949,208.31 - Step 5: Solve for x
x = 329,565,227,949,208.31/14,885,742.40 - Step 6: Final answer
x = 22,139,656.80
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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.