Finding the Fourth Proportional to 11,831,238.84, 16,327,109.61 and 6,398,730.84
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Solution
The fourth proportional to 11,831,238.84, 16,327,109.61 and 6,398,730.84 is: 8,830,248.57
Step by Step Solution
- Step 1: Write the proportion equation
11,831,238.84 : 16,327,109.61 = 6,398,730.84 : x - Step 2: Convert to fraction form
11,831,238.84/16,327,109.61 = 6,398,730.84/x - Step 3: Cross multiply
11,831,238.84x = 16,327,109.61 × 6,398,730.84 - Step 4: Simplify right side
11,831,238.84x = 104,472,779,789,567.36 - Step 5: Solve for x
x = 104,472,779,789,567.36/11,831,238.84 - Step 6: Final answer
x = 8,830,248.57
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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.