Finding the Fourth Proportional to 16,239,526.34, 22,410,545.82 and 8,897,637.62
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Solution
The fourth proportional to 16,239,526.34, 22,410,545.82 and 8,897,637.62 is: 12,278,739.63
Step by Step Solution
- Step 1: Write the proportion equation
16,239,526.34 : 22,410,545.82 = 8,897,637.62 : x - Step 2: Convert to fraction form
16,239,526.34/22,410,545.82 = 8,897,637.62/x - Step 3: Cross multiply
16,239,526.34x = 22,410,545.82 × 8,897,637.62 - Step 4: Simplify right side
16,239,526.34x = 199,400,915,572,765.72 - Step 5: Solve for x
x = 199,400,915,572,765.72/16,239,526.34 - Step 6: Final answer
x = 12,278,739.63
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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.