Finding the Fourth Proportional to 8,804,638.80, 13,206,958.20 and 3,125,437.20
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Solution
The fourth proportional to 8,804,638.80, 13,206,958.20 and 3,125,437.20 is: 4,688,155.80
Step by Step Solution
- Step 1: Write the proportion equation
8,804,638.80 : 13,206,958.20 = 3,125,437.20 : x - Step 2: Convert to fraction form
8,804,638.80/13,206,958.20 = 3,125,437.20/x - Step 3: Cross multiply
8,804,638.80x = 13,206,958.20 × 3,125,437.20 - Step 4: Simplify right side
8,804,638.80x = 41,277,518,457,125.04 - Step 5: Solve for x
x = 41,277,518,457,125.04/8,804,638.80 - Step 6: Final answer
x = 4,688,155.80
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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.