Finding the Fourth Proportional to 16,447,999.20, 24,671,998.80 and 8,889,727.20
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Solution
The fourth proportional to 16,447,999.20, 24,671,998.80 and 8,889,727.20 is: 13,334,590.80
Step by Step Solution
- Step 1: Write the proportion equation
16,447,999.20 : 24,671,998.80 = 8,889,727.20 : x - Step 2: Convert to fraction form
16,447,999.20/24,671,998.80 = 8,889,727.20/x - Step 3: Cross multiply
16,447,999.20x = 24,671,998.80 × 8,889,727.20 - Step 4: Simplify right side
16,447,999.20x = 219,327,338,810,727.34 - Step 5: Solve for x
x = 219,327,338,810,727.34/16,447,999.20 - Step 6: Final answer
x = 13,334,590.80
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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.