Finding the Fourth Proportional to 12,534,070.18, 18,806,421.50 and 6,847,651.48
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Solution
The fourth proportional to 12,534,070.18, 18,806,421.50 and 6,847,651.48 is: 10,274,381.60
Step by Step Solution
- Step 1: Write the proportion equation
12,534,070.18 : 18,806,421.50 = 6,847,651.48 : x - Step 2: Convert to fraction form
12,534,070.18/18,806,421.50 = 6,847,651.48/x - Step 3: Cross multiply
12,534,070.18x = 18,806,421.50 × 6,847,651.48 - Step 4: Simplify right side
12,534,070.18x = 128,779,820,017,978.83 - Step 5: Solve for x
x = 128,779,820,017,978.83/12,534,070.18 - Step 6: Final answer
x = 10,274,381.60
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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.