Finding the Fourth Proportional to 19,781,562.56, 29,672,343.84 and 10,801,215.68
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Solution
The fourth proportional to 19,781,562.56, 29,672,343.84 and 10,801,215.68 is: 16,201,823.52
Step by Step Solution
- Step 1: Write the proportion equation
19,781,562.56 : 29,672,343.84 = 10,801,215.68 : x - Step 2: Convert to fraction form
19,781,562.56/29,672,343.84 = 10,801,215.68/x - Step 3: Cross multiply
19,781,562.56x = 29,672,343.84 × 10,801,215.68 - Step 4: Simplify right side
19,781,562.56x = 320,497,385,546,959.38 - Step 5: Solve for x
x = 320,497,385,546,959.38/19,781,562.56 - Step 6: Final answer
x = 16,201,823.52
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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.