Finding the Fourth Proportional to 15,919,194.40, 21,968,562.24 and 9,044,053.60
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Solution
The fourth proportional to 15,919,194.40, 21,968,562.24 and 9,044,053.60 is: 12,480,835.99
Step by Step Solution
- Step 1: Write the proportion equation
15,919,194.40 : 21,968,562.24 = 9,044,053.60 : x - Step 2: Convert to fraction form
15,919,194.40/21,968,562.24 = 9,044,053.60/x - Step 3: Cross multiply
15,919,194.40x = 21,968,562.24 × 9,044,053.60 - Step 4: Simplify right side
15,919,194.40x = 198,684,854,413,496.03 - Step 5: Solve for x
x = 198,684,854,413,496.03/15,919,194.40 - Step 6: Final answer
x = 12,480,835.99
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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.