Finding the Fourth Proportional to 29,226,430.80, 43,838,742.60 and 13,884,764.40
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Solution
The fourth proportional to 29,226,430.80, 43,838,742.60 and 13,884,764.40 is: 20,826,717.32
Step by Step Solution
- Step 1: Write the proportion equation
29,226,430.80 : 43,838,742.60 = 13,884,764.40 : x - Step 2: Convert to fraction form
29,226,430.80/43,838,742.60 = 13,884,764.40/x - Step 3: Cross multiply
29,226,430.80x = 43,838,742.60 × 13,884,764.40 - Step 4: Simplify right side
29,226,430.80x = 608,690,612,593,243.50 - Step 5: Solve for x
x = 608,690,612,593,243.50/29,226,430.80 - Step 6: Final answer
x = 20,826,717.32
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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.