Finding the Fourth Proportional to 11,831,864.13, 16,327,973.71 and 6,399,356.13
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Solution
The fourth proportional to 11,831,864.13, 16,327,973.71 and 6,399,356.13 is: 8,831,112.11
Step by Step Solution
- Step 1: Write the proportion equation
11,831,864.13 : 16,327,973.71 = 6,399,356.13 : x - Step 2: Convert to fraction form
11,831,864.13/16,327,973.71 = 6,399,356.13/x - Step 3: Cross multiply
11,831,864.13x = 16,327,973.71 × 6,399,356.13 - Step 4: Simplify right side
11,831,864.13x = 104,488,518,651,567.34 - Step 5: Solve for x
x = 104,488,518,651,567.34/11,831,864.13 - Step 6: Final answer
x = 8,831,112.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.