Finding the Fourth Proportional to 13,310,134.08, 18,351,341.28 and 11,108,164.08
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Solution
The fourth proportional to 13,310,134.08, 18,351,341.28 and 11,108,164.08 is: 15,315,376.15
Step by Step Solution
- Step 1: Write the proportion equation
13,310,134.08 : 18,351,341.28 = 11,108,164.08 : x - Step 2: Convert to fraction form
13,310,134.08/18,351,341.28 = 11,108,164.08/x - Step 3: Cross multiply
13,310,134.08x = 18,351,341.28 × 11,108,164.08 - Step 4: Simplify right side
13,310,134.08x = 203,849,710,026,317.25 - Step 5: Solve for x
x = 203,849,710,026,317.25/13,310,134.08 - Step 6: Final answer
x = 15,315,376.15
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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.