Finding the Fourth Proportional to 16,169,029.20, 24,256,913.40 and 5,389,678.80
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Solution
The fourth proportional to 16,169,029.20, 24,256,913.40 and 5,389,678.80 is: 8,085,641.40
Step by Step Solution
- Step 1: Write the proportion equation
16,169,029.20 : 24,256,913.40 = 5,389,678.80 : x - Step 2: Convert to fraction form
16,169,029.20/24,256,913.40 = 5,389,678.80/x - Step 3: Cross multiply
16,169,029.20x = 24,256,913.40 × 5,389,678.80 - Step 4: Simplify right side
16,169,029.20x = 130,736,971,905,415.91 - Step 5: Solve for x
x = 130,736,971,905,415.91/16,169,029.20 - Step 6: Final answer
x = 8,085,641.40
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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.