Finding the Fourth Proportional to 22,299,068.55, 33,438,716.52 and 11,921,769.48
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Solution
The fourth proportional to 22,299,068.55, 33,438,716.52 and 11,921,769.48 is: 17,877,368.70
Step by Step Solution
- Step 1: Write the proportion equation
22,299,068.55 : 33,438,716.52 = 11,921,769.48 : x - Step 2: Convert to fraction form
22,299,068.55/33,438,716.52 = 11,921,769.48/x - Step 3: Cross multiply
22,299,068.55x = 33,438,716.52 × 11,921,769.48 - Step 4: Simplify right side
22,299,068.55x = 398,648,670,058,507.81 - Step 5: Solve for x
x = 398,648,670,058,507.81/22,299,068.55 - Step 6: Final answer
x = 17,877,368.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.