Finding the Fourth Proportional to 43,514,710.29, 65,249,603.65 and 12,805,302.19
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Solution
The fourth proportional to 43,514,710.29, 65,249,603.65 and 12,805,302.19 is: 19,201,343.34
Step by Step Solution
- Step 1: Write the proportion equation
43,514,710.29 : 65,249,603.65 = 12,805,302.19 : x - Step 2: Convert to fraction form
43,514,710.29/65,249,603.65 = 12,805,302.19/x - Step 3: Cross multiply
43,514,710.29x = 65,249,603.65 × 12,805,302.19 - Step 4: Simplify right side
43,514,710.29x = 835,540,892,515,977 - Step 5: Solve for x
x = 835,540,892,515,977/43,514,710.29 - Step 6: Final answer
x = 19,201,343.34
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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.