Finding the Fourth Proportional to 14,292,743.41, 19,724,110.85 and 7,766,372.84
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Solution
The fourth proportional to 14,292,743.41, 19,724,110.85 and 7,766,372.84 is: 10,717,662.42
Step by Step Solution
- Step 1: Write the proportion equation
14,292,743.41 : 19,724,110.85 = 7,766,372.84 : x - Step 2: Convert to fraction form
14,292,743.41/19,724,110.85 = 7,766,372.84/x - Step 3: Cross multiply
14,292,743.41x = 19,724,110.85 × 7,766,372.84 - Step 4: Simplify right side
14,292,743.41x = 153,184,798,867,315.53 - Step 5: Solve for x
x = 153,184,798,867,315.53/14,292,743.41 - Step 6: Final answer
x = 10,717,662.42
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1.5x scale
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.