Finding the Fourth Proportional to 21,476,239, 29,637,214.68 and 11,818,447
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Solution
The fourth proportional to 21,476,239, 29,637,214.68 and 11,818,447 is: 16,309,459.53
Step by Step Solution
- Step 1: Write the proportion equation
21,476,239 : 29,637,214.68 = 11,818,447 : x - Step 2: Convert to fraction form
21,476,239/29,637,214.68 = 11,818,447/x - Step 3: Cross multiply
21,476,239x = 29,637,214.68 × 11,818,447 - Step 4: Simplify right side
21,476,239x = 350,265,850,923,201.94 - Step 5: Solve for x
x = 350,265,850,923,201.94/21,476,239 - Step 6: Final answer
x = 16,309,459.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.