Finding the Fourth Proportional to 13,303,851.80, 19,955,777.70 and 4,328,403.80
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Solution
The fourth proportional to 13,303,851.80, 19,955,777.70 and 4,328,403.80 is: 6,492,605.70
Step by Step Solution
- Step 1: Write the proportion equation
13,303,851.80 : 19,955,777.70 = 4,328,403.80 : x - Step 2: Convert to fraction form
13,303,851.80/19,955,777.70 = 4,328,403.80/x - Step 3: Cross multiply
13,303,851.80x = 19,955,777.70 × 4,328,403.80 - Step 4: Simplify right side
13,303,851.80x = 86,376,664,028,635.25 - Step 5: Solve for x
x = 86,376,664,028,635.25/13,303,851.80 - Step 6: Final answer
x = 6,492,605.70
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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.