Finding the Fourth Proportional to 10,378,336.16, 15,567,559.68 and 6,806,720.50
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Solution
The fourth proportional to 10,378,336.16, 15,567,559.68 and 6,806,720.50 is: 10,210,117.11
Step by Step Solution
- Step 1: Write the proportion equation
10,378,336.16 : 15,567,559.68 = 6,806,720.50 : x - Step 2: Convert to fraction form
10,378,336.16/15,567,559.68 = 6,806,720.50/x - Step 3: Cross multiply
10,378,336.16x = 15,567,559.68 × 6,806,720.50 - Step 4: Simplify right side
10,378,336.16x = 105,964,027,608,829.44 - Step 5: Solve for x
x = 105,964,027,608,829.44/10,378,336.16 - Step 6: Final answer
x = 10,210,117.11
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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.