Finding the Fourth Proportional to 20,022,398.21, 29,999,271.60 and 13,444,777.95
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Solution
The fourth proportional to 20,022,398.21, 29,999,271.60 and 13,444,777.95 is: 20,144,117.66
Step by Step Solution
- Step 1: Write the proportion equation
20,022,398.21 : 29,999,271.60 = 13,444,777.95 : x - Step 2: Convert to fraction form
20,022,398.21/29,999,271.60 = 13,444,777.95/x - Step 3: Cross multiply
20,022,398.21x = 29,999,271.60 × 13,444,777.95 - Step 4: Simplify right side
20,022,398.21x = 403,333,545,323,741.19 - Step 5: Solve for x
x = 403,333,545,323,741.19/20,022,398.21 - Step 6: Final answer
x = 20,144,117.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.