Finding the Fourth Proportional to 19,895,236.05, 29,842,851.57 and 5,518,303.78
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Solution
The fourth proportional to 19,895,236.05, 29,842,851.57 and 5,518,303.78 is: 8,277,454.98
Step by Step Solution
- Step 1: Write the proportion equation
19,895,236.05 : 29,842,851.57 = 5,518,303.78 : x - Step 2: Convert to fraction form
19,895,236.05/29,842,851.57 = 5,518,303.78/x - Step 3: Cross multiply
19,895,236.05x = 29,842,851.57 × 5,518,303.78 - Step 4: Simplify right side
19,895,236.05x = 164,681,920,669,297.53 - Step 5: Solve for x
x = 164,681,920,669,297.53/19,895,236.05 - Step 6: Final answer
x = 8,277,454.98
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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.