Finding the Fourth Proportional to 8,950,073.99, 12,355,782.89 and 6,985,739.75
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Solution
The fourth proportional to 8,950,073.99, 12,355,782.89 and 6,985,739.75 is: 9,643,974.31
Step by Step Solution
- Step 1: Write the proportion equation
8,950,073.99 : 12,355,782.89 = 6,985,739.75 : x - Step 2: Convert to fraction form
8,950,073.99/12,355,782.89 = 6,985,739.75/x - Step 3: Cross multiply
8,950,073.99x = 12,355,782.89 × 6,985,739.75 - Step 4: Simplify right side
8,950,073.99x = 86,314,283,580,335.27 - Step 5: Solve for x
x = 86,314,283,580,335.27/8,950,073.99 - Step 6: Final answer
x = 9,643,974.31
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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.