Finding the Fourth Proportional to 21,902,378.00, 32,830,398.90 and 8,249,617.13
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Solution
The fourth proportional to 21,902,378.00, 32,830,398.90 and 8,249,617.13 is: 12,365,699.33
Step by Step Solution
- Step 1: Write the proportion equation
21,902,378.00 : 32,830,398.90 = 8,249,617.13 : x - Step 2: Convert to fraction form
21,902,378.00/32,830,398.90 = 8,249,617.13/x - Step 3: Cross multiply
21,902,378.00x = 32,830,398.90 × 8,249,617.13 - Step 4: Simplify right side
21,902,378.00x = 270,838,220,986,021.16 - Step 5: Solve for x
x = 270,838,220,986,021.16/21,902,378.00 - Step 6: Final answer
x = 12,365,699.33
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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.