Finding the Fourth Proportional to 14,455,618.44, 19,948,393.92 and 8,260,272
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Solution
The fourth proportional to 14,455,618.44, 19,948,393.92 and 8,260,272 is: 11,398,969.92
Step by Step Solution
- Step 1: Write the proportion equation
14,455,618.44 : 19,948,393.92 = 8,260,272 : x - Step 2: Convert to fraction form
14,455,618.44/19,948,393.92 = 8,260,272/x - Step 3: Cross multiply
14,455,618.44x = 19,948,393.92 × 8,260,272 - Step 4: Simplify right side
14,455,618.44x = 164,779,159,742,346.25 - Step 5: Solve for x
x = 164,779,159,742,346.25/14,455,618.44 - Step 6: Final answer
x = 11,398,969.92
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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.