Finding the Fourth Proportional to 14,292,747.37, 19,724,116.32 and 7,766,376.80
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Solution
The fourth proportional to 14,292,747.37, 19,724,116.32 and 7,766,376.80 is: 10,717,667.88
Step by Step Solution
- Step 1: Write the proportion equation
14,292,747.37 : 19,724,116.32 = 7,766,376.80 : x - Step 2: Convert to fraction form
14,292,747.37/19,724,116.32 = 7,766,376.80/x - Step 3: Cross multiply
14,292,747.37x = 19,724,116.32 × 7,766,376.80 - Step 4: Simplify right side
14,292,747.37x = 153,184,919,388,149.38 - Step 5: Solve for x
x = 153,184,919,388,149.38/14,292,747.37 - Step 6: Final answer
x = 10,717,667.88
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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.