Finding the Fourth Proportional to 9,348,517.20, 14,022,775.80 and 4,230,937.20
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Solution
The fourth proportional to 9,348,517.20, 14,022,775.80 and 4,230,937.20 is: 6,346,405.80
Step by Step Solution
- Step 1: Write the proportion equation
9,348,517.20 : 14,022,775.80 = 4,230,937.20 : x - Step 2: Convert to fraction form
9,348,517.20/14,022,775.80 = 4,230,937.20/x - Step 3: Cross multiply
9,348,517.20x = 14,022,775.80 × 4,230,937.20 - Step 4: Simplify right side
9,348,517.20x = 59,329,483,779,479.77 - Step 5: Solve for x
x = 59,329,483,779,479.77/9,348,517.20 - Step 6: Final answer
x = 6,346,405.80
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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.