Finding the Fourth Proportional to 19,491,607.20, 29,237,410.80 and 9,925,669.20
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Solution
The fourth proportional to 19,491,607.20, 29,237,410.80 and 9,925,669.20 is: 14,888,503.80
Step by Step Solution
- Step 1: Write the proportion equation
19,491,607.20 : 29,237,410.80 = 9,925,669.20 : x - Step 2: Convert to fraction form
19,491,607.20/29,237,410.80 = 9,925,669.20/x - Step 3: Cross multiply
19,491,607.20x = 29,237,410.80 × 9,925,669.20 - Step 4: Simplify right side
19,491,607.20x = 290,200,867,865,307.38 - Step 5: Solve for x
x = 290,200,867,865,307.38/19,491,607.20 - Step 6: Final answer
x = 14,888,503.80
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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.