Finding the Fourth Proportional to 19,873,076.05, 29,809,614.08 and 10,779,530.05
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Solution
The fourth proportional to 19,873,076.05, 29,809,614.08 and 10,779,530.05 is: 16,169,295.08
Step by Step Solution
- Step 1: Write the proportion equation
19,873,076.05 : 29,809,614.08 = 10,779,530.05 : x - Step 2: Convert to fraction form
19,873,076.05/29,809,614.08 = 10,779,530.05/x - Step 3: Cross multiply
19,873,076.05x = 29,809,614.08 × 10,779,530.05 - Step 4: Simplify right side
19,873,076.05x = 321,333,630,700,365.44 - Step 5: Solve for x
x = 321,333,630,700,365.44/19,873,076.05 - Step 6: Final answer
x = 16,169,295.08
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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.