Finding the Fourth Proportional to 21,326,605.41, 29,430,651.61 and 11,537,047
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Solution
The fourth proportional to 21,326,605.41, 29,430,651.61 and 11,537,047 is: 15,921,090.32
Step by Step Solution
- Step 1: Write the proportion equation
21,326,605.41 : 29,430,651.61 = 11,537,047 : x - Step 2: Convert to fraction form
21,326,605.41/29,430,651.61 = 11,537,047/x - Step 3: Cross multiply
21,326,605.41x = 29,430,651.61 × 11,537,047 - Step 4: Simplify right side
21,326,605.41x = 339,542,810,865,195.69 - Step 5: Solve for x
x = 339,542,810,865,195.69/21,326,605.41 - Step 6: Final answer
x = 15,921,090.32
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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.