Finding the Fourth Proportional to 16,169,918.60, 24,254,877.90 and 10,430,355.80
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Solution
The fourth proportional to 16,169,918.60, 24,254,877.90 and 10,430,355.80 is: 15,645,533.70
Step by Step Solution
- Step 1: Write the proportion equation
16,169,918.60 : 24,254,877.90 = 10,430,355.80 : x - Step 2: Convert to fraction form
16,169,918.60/24,254,877.90 = 10,430,355.80/x - Step 3: Cross multiply
16,169,918.60x = 24,254,877.90 × 10,430,355.80 - Step 4: Simplify right side
16,169,918.60x = 252,987,006,382,556.81 - Step 5: Solve for x
x = 252,987,006,382,556.81/16,169,918.60 - Step 6: Final answer
x = 15,645,533.70
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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.