Finding the Fourth Proportional to 8,950,075.99, 12,355,785.65 and 6,985,741.75
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Solution
The fourth proportional to 8,950,075.99, 12,355,785.65 and 6,985,741.75 is: 9,643,977.08
Step by Step Solution
- Step 1: Write the proportion equation
8,950,075.99 : 12,355,785.65 = 6,985,741.75 : x - Step 2: Convert to fraction form
8,950,075.99/12,355,785.65 = 6,985,741.75/x - Step 3: Cross multiply
8,950,075.99x = 12,355,785.65 × 6,985,741.75 - Step 4: Simplify right side
8,950,075.99x = 86,314,327,669,255.89 - Step 5: Solve for x
x = 86,314,327,669,255.89/8,950,075.99 - Step 6: Final answer
x = 9,643,977.08
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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.