Finding the Fourth Proportional to 10,903,527.40, 16,355,291.10 and 10,828,877.80
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Solution
The fourth proportional to 10,903,527.40, 16,355,291.10 and 10,828,877.80 is: 16,243,316.70
Step by Step Solution
- Step 1: Write the proportion equation
10,903,527.40 : 16,355,291.10 = 10,828,877.80 : x - Step 2: Convert to fraction form
10,903,527.40/16,355,291.10 = 10,828,877.80/x - Step 3: Cross multiply
10,903,527.40x = 16,355,291.10 × 10,828,877.80 - Step 4: Simplify right side
10,903,527.40x = 177,109,448,705,327.59 - Step 5: Solve for x
x = 177,109,448,705,327.59/10,903,527.40 - Step 6: Final answer
x = 16,243,316.70
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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.