Finding the Fourth Proportional to 21,326,602.41, 29,430,647.47 and 11,537,044
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Solution
The fourth proportional to 21,326,602.41, 29,430,647.47 and 11,537,044 is: 15,921,086.18
Step by Step Solution
- Step 1: Write the proportion equation
21,326,602.41 : 29,430,647.47 = 11,537,044 : x - Step 2: Convert to fraction form
21,326,602.41/29,430,647.47 = 11,537,044/x - Step 3: Cross multiply
21,326,602.41x = 29,430,647.47 × 11,537,044 - Step 4: Simplify right side
21,326,602.41x = 339,542,674,809,878.69 - Step 5: Solve for x
x = 339,542,674,809,878.69/21,326,602.41 - Step 6: Final answer
x = 15,921,086.18
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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.