Finding the Fourth Proportional to 7,123,403.40, 10,659,564.18 and 6,167,148.18
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Solution
The fourth proportional to 7,123,403.40, 10,659,564.18 and 6,167,148.18 is: 9,228,610.00
Step by Step Solution
- Step 1: Write the proportion equation
7,123,403.40 : 10,659,564.18 = 6,167,148.18 : x - Step 2: Convert to fraction form
7,123,403.40/10,659,564.18 = 6,167,148.18/x - Step 3: Cross multiply
7,123,403.40x = 10,659,564.18 × 6,167,148.18 - Step 4: Simplify right side
7,123,403.40x = 65,739,111,832,280.19 - Step 5: Solve for x
x = 65,739,111,832,280.19/7,123,403.40 - Step 6: Final answer
x = 9,228,610.00
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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.