Finding the Fourth Proportional to 9,440,196.80, 14,163,794.40 and 9,090,276.80
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Solution
The fourth proportional to 9,440,196.80, 14,163,794.40 and 9,090,276.80 is: 13,638,784.70
Step by Step Solution
- Step 1: Write the proportion equation
9,440,196.80 : 14,163,794.40 = 9,090,276.80 : x - Step 2: Convert to fraction form
9,440,196.80/14,163,794.40 = 9,090,276.80/x - Step 3: Cross multiply
9,440,196.80x = 14,163,794.40 × 9,090,276.80 - Step 4: Simplify right side
9,440,196.80x = 128,752,811,634,289.94 - Step 5: Solve for x
x = 128,752,811,634,289.94/9,440,196.80 - Step 6: Final answer
x = 13,638,784.70
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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.