Finding the Fourth Proportional to 13,219,796.17, 19,825,495.21 and 4,242,248.65
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Solution
The fourth proportional to 13,219,796.17, 19,825,495.21 and 4,242,248.65 is: 6,362,025.50
Step by Step Solution
- Step 1: Write the proportion equation
13,219,796.17 : 19,825,495.21 = 4,242,248.65 : x - Step 2: Convert to fraction form
13,219,796.17/19,825,495.21 = 4,242,248.65/x - Step 3: Cross multiply
13,219,796.17x = 19,825,495.21 × 4,242,248.65 - Step 4: Simplify right side
13,219,796.17x = 84,104,680,270,496.02 - Step 5: Solve for x
x = 84,104,680,270,496.02/13,219,796.17 - Step 6: Final answer
x = 6,362,025.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.