Finding the Fourth Proportional to 14,018,646.42, 19,340,980.29 and 11,435,862.42
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Solution
The fourth proportional to 14,018,646.42, 19,340,980.29 and 11,435,862.42 is: 15,777,613.83
Step by Step Solution
- Step 1: Write the proportion equation
14,018,646.42 : 19,340,980.29 = 11,435,862.42 : x - Step 2: Convert to fraction form
14,018,646.42/19,340,980.29 = 11,435,862.42/x - Step 3: Cross multiply
14,018,646.42x = 19,340,980.29 × 11,435,862.42 - Step 4: Simplify right side
14,018,646.42x = 221,180,789,664,371.69 - Step 5: Solve for x
x = 221,180,789,664,371.69/14,018,646.42 - Step 6: Final answer
x = 15,777,613.83
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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.