Finding the Fourth Proportional to 16,120,958.24, 22,246,923.77 and 8,778,789.18
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Solution
The fourth proportional to 16,120,958.24, 22,246,923.77 and 8,778,789.18 is: 12,114,729.83
Step by Step Solution
- Step 1: Write the proportion equation
16,120,958.24 : 22,246,923.77 = 8,778,789.18 : x - Step 2: Convert to fraction form
16,120,958.24/22,246,923.77 = 8,778,789.18/x - Step 3: Cross multiply
16,120,958.24x = 22,246,923.77 × 8,778,789.18 - Step 4: Simplify right side
16,120,958.24x = 195,301,053,636,466.88 - Step 5: Solve for x
x = 195,301,053,636,466.88/16,120,958.24 - Step 6: Final answer
x = 12,114,729.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.