Finding the Fourth Proportional to 19,729,931.80, 29,552,907.30 and 16,370,699.80
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Solution
The fourth proportional to 19,729,931.80, 29,552,907.30 and 16,370,699.80 is: 24,521,208.61
Step by Step Solution
- Step 1: Write the proportion equation
19,729,931.80 : 29,552,907.30 = 16,370,699.80 : x - Step 2: Convert to fraction form
19,729,931.80/29,552,907.30 = 16,370,699.80/x - Step 3: Cross multiply
19,729,931.80x = 29,552,907.30 × 16,370,699.80 - Step 4: Simplify right side
19,729,931.80x = 483,801,773,625,528.56 - Step 5: Solve for x
x = 483,801,773,625,528.56/19,729,931.80 - Step 6: Final answer
x = 24,521,208.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.