Finding the Fourth Proportional to 9,999,457.60, 13,799,207.84 and 5,589,177.44
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Solution
The fourth proportional to 9,999,457.60, 13,799,207.84 and 5,589,177.44 is: 7,713,040.47
Step by Step Solution
- Step 1: Write the proportion equation
9,999,457.60 : 13,799,207.84 = 5,589,177.44 : x - Step 2: Convert to fraction form
9,999,457.60/13,799,207.84 = 5,589,177.44/x - Step 3: Cross multiply
9,999,457.60x = 13,799,207.84 × 5,589,177.44 - Step 4: Simplify right side
9,999,457.60x = 77,126,221,149,199.14 - Step 5: Solve for x
x = 77,126,221,149,199.14/9,999,457.60 - Step 6: Final answer
x = 7,713,040.47
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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.