Finding the Fourth Proportional to 18,028,746.08, 24,879,756.22 and 9,768,806.20
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Solution
The fourth proportional to 18,028,746.08, 24,879,756.22 and 9,768,806.20 is: 13,480,999.49
Step by Step Solution
- Step 1: Write the proportion equation
18,028,746.08 : 24,879,756.22 = 9,768,806.20 : x - Step 2: Convert to fraction form
18,028,746.08/24,879,756.22 = 9,768,806.20/x - Step 3: Cross multiply
18,028,746.08x = 24,879,756.22 × 9,768,806.20 - Step 4: Simplify right side
18,028,746.08x = 243,045,516,784,752.69 - Step 5: Solve for x
x = 243,045,516,784,752.69/18,028,746.08 - Step 6: Final answer
x = 13,480,999.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.