Finding the Fourth Proportional to 14,306,552.64, 19,742,952.96 and 8,112,774.24
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Solution
The fourth proportional to 14,306,552.64, 19,742,952.96 and 8,112,774.24 is: 11,195,577.59
Step by Step Solution
- Step 1: Write the proportion equation
14,306,552.64 : 19,742,952.96 = 8,112,774.24 : x - Step 2: Convert to fraction form
14,306,552.64/19,742,952.96 = 8,112,774.24/x - Step 3: Cross multiply
14,306,552.64x = 19,742,952.96 × 8,112,774.24 - Step 4: Simplify right side
14,306,552.64x = 160,170,120,195,419.75 - Step 5: Solve for x
x = 160,170,120,195,419.75/14,306,552.64 - Step 6: Final answer
x = 11,195,577.59
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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.