Finding the Fourth Proportional to 28,541,562.84, 39,387,459.84 and 15,488,817.84
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Solution
The fourth proportional to 28,541,562.84, 39,387,459.84 and 15,488,817.84 is: 21,374,624.58
Step by Step Solution
- Step 1: Write the proportion equation
28,541,562.84 : 39,387,459.84 = 15,488,817.84 : x - Step 2: Convert to fraction form
28,541,562.84/39,387,459.84 = 15,488,817.84/x - Step 3: Cross multiply
28,541,562.84x = 39,387,459.84 × 15,488,817.84 - Step 4: Simplify right side
28,541,562.84x = 610,065,190,642,075.62 - Step 5: Solve for x
x = 610,065,190,642,075.62/28,541,562.84 - Step 6: Final answer
x = 21,374,624.58
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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.