Finding the Fourth Proportional to 10,903,497.40, 16,355,246.10 and 10,828,847.80
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Solution
The fourth proportional to 10,903,497.40, 16,355,246.10 and 10,828,847.80 is: 16,243,271.70
Step by Step Solution
- Step 1: Write the proportion equation
10,903,497.40 : 16,355,246.10 = 10,828,847.80 : x - Step 2: Convert to fraction form
10,903,497.40/16,355,246.10 = 10,828,847.80/x - Step 3: Cross multiply
10,903,497.40x = 16,355,246.10 × 10,828,847.80 - Step 4: Simplify right side
10,903,497.40x = 177,108,470,748,443.59 - Step 5: Solve for x
x = 177,108,470,748,443.59/10,903,497.40 - Step 6: Final answer
x = 16,243,271.70
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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.