Finding the Fourth Proportional to 19,507,907.63, 29,261,777.89 and 4,934,965.07
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Solution
The fourth proportional to 19,507,907.63, 29,261,777.89 and 4,934,965.07 is: 7,402,426.47
Step by Step Solution
- Step 1: Write the proportion equation
19,507,907.63 : 29,261,777.89 = 4,934,965.07 : x - Step 2: Convert to fraction form
19,507,907.63/29,261,777.89 = 4,934,965.07/x - Step 3: Cross multiply
19,507,907.63x = 29,261,777.89 × 4,934,965.07 - Step 4: Simplify right side
19,507,907.63x = 144,405,851,773,248.31 - Step 5: Solve for x
x = 144,405,851,773,248.31/19,507,907.63 - Step 6: Final answer
x = 7,402,426.47
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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.