Finding the Fourth Proportional to 16,363,764, 22,581,987.12 and 9,394,890.93
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Solution
The fourth proportional to 16,363,764, 22,581,987.12 and 9,394,890.93 is: 12,964,945.35
Step by Step Solution
- Step 1: Write the proportion equation
16,363,764 : 22,581,987.12 = 9,394,890.93 : x - Step 2: Convert to fraction form
16,363,764/22,581,987.12 = 9,394,890.93/x - Step 3: Cross multiply
16,363,764x = 22,581,987.12 × 9,394,890.93 - Step 4: Simplify right side
16,363,764x = 212,155,305,975,064.81 - Step 5: Solve for x
x = 212,155,305,975,064.81/16,363,764 - Step 6: Final answer
x = 12,964,945.35
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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.