Finding the Fourth Proportional to 13,177,068.90, 18,184,228.56 and 7,593,264.09
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Solution
The fourth proportional to 13,177,068.90, 18,184,228.56 and 7,593,264.09 is: 10,478,631.54
Step by Step Solution
- Step 1: Write the proportion equation
13,177,068.90 : 18,184,228.56 = 7,593,264.09 : x - Step 2: Convert to fraction form
13,177,068.90/18,184,228.56 = 7,593,264.09/x - Step 3: Cross multiply
13,177,068.90x = 18,184,228.56 × 7,593,264.09 - Step 4: Simplify right side
13,177,068.90x = 138,077,649,729,000.39 - Step 5: Solve for x
x = 138,077,649,729,000.39/13,177,068.90 - Step 6: Final answer
x = 10,478,631.54
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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.