Finding the Fourth Proportional to 13,798,351.17, 18,903,808.73 and 13,281,188.58
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Solution
The fourth proportional to 13,798,351.17, 18,903,808.73 and 13,281,188.58 is: 18,195,293.45
Step by Step Solution
- Step 1: Write the proportion equation
13,798,351.17 : 18,903,808.73 = 13,281,188.58 : x - Step 2: Convert to fraction form
13,798,351.17/18,903,808.73 = 13,281,188.58/x - Step 3: Cross multiply
13,798,351.17x = 18,903,808.73 × 13,281,188.58 - Step 4: Simplify right side
13,798,351.17x = 251,065,048,656,583.31 - Step 5: Solve for x
x = 251,065,048,656,583.31/13,798,351.17 - Step 6: Final answer
x = 18,195,293.45
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.