Finding the Fourth Proportional to 11,008,430.80, 16,512,646.20 and 6,461,657.80
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Solution
The fourth proportional to 11,008,430.80, 16,512,646.20 and 6,461,657.80 is: 9,692,486.70
Step by Step Solution
- Step 1: Write the proportion equation
11,008,430.80 : 16,512,646.20 = 6,461,657.80 : x - Step 2: Convert to fraction form
11,008,430.80/16,512,646.20 = 6,461,657.80/x - Step 3: Cross multiply
11,008,430.80x = 16,512,646.20 × 6,461,657.80 - Step 4: Simplify right side
11,008,430.80x = 106,699,069,116,870.36 - Step 5: Solve for x
x = 106,699,069,116,870.36/11,008,430.80 - Step 6: Final answer
x = 9,692,486.70
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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.