Finding the Fourth Proportional to 13,291,403.31, 19,937,102.67 and 3,194,024.31
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Solution
The fourth proportional to 13,291,403.31, 19,937,102.67 and 3,194,024.31 is: 4,791,035.91
Step by Step Solution
- Step 1: Write the proportion equation
13,291,403.31 : 19,937,102.67 = 3,194,024.31 : x - Step 2: Convert to fraction form
13,291,403.31/19,937,102.67 = 3,194,024.31/x - Step 3: Cross multiply
13,291,403.31x = 19,937,102.67 × 3,194,024.31 - Step 4: Simplify right side
13,291,403.31x = 63,679,590,598,945.91 - Step 5: Solve for x
x = 63,679,590,598,945.91/13,291,403.31 - Step 6: Final answer
x = 4,791,035.91
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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.