Finding the Fourth Proportional to 20,645,925.60, 30,966,887.28 and 6,269,119.80
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Solution
The fourth proportional to 20,645,925.60, 30,966,887.28 and 6,269,119.80 is: 9,403,072.06
Step by Step Solution
- Step 1: Write the proportion equation
20,645,925.60 : 30,966,887.28 = 6,269,119.80 : x - Step 2: Convert to fraction form
20,645,925.60/30,966,887.28 = 6,269,119.80/x - Step 3: Cross multiply
20,645,925.60x = 30,966,887.28 × 6,269,119.80 - Step 4: Simplify right side
20,645,925.60x = 194,135,126,191,416.16 - Step 5: Solve for x
x = 194,135,126,191,416.16/20,645,925.60 - Step 6: Final answer
x = 9,403,072.06
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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.