Finding the Fourth Proportional to 10,084,553.60, 15,126,830.40 and 9,305,106.80
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Solution
The fourth proportional to 10,084,553.60, 15,126,830.40 and 9,305,106.80 is: 13,957,660.20
Step by Step Solution
- Step 1: Write the proportion equation
10,084,553.60 : 15,126,830.40 = 9,305,106.80 : x - Step 2: Convert to fraction form
10,084,553.60/15,126,830.40 = 9,305,106.80/x - Step 3: Cross multiply
10,084,553.60x = 15,126,830.40 × 9,305,106.80 - Step 4: Simplify right side
10,084,553.60x = 140,756,772,417,486.75 - Step 5: Solve for x
x = 140,756,772,417,486.75/10,084,553.60 - Step 6: Final answer
x = 13,957,660.20
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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.