Finding the Fourth Proportional to 14,395,829.12, 19,866,241.28 and 7,869,485.92
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Solution
The fourth proportional to 14,395,829.12, 19,866,241.28 and 7,869,485.92 is: 10,859,888.98
Step by Step Solution
- Step 1: Write the proportion equation
14,395,829.12 : 19,866,241.28 = 7,869,485.92 : x - Step 2: Convert to fraction form
14,395,829.12/19,866,241.28 = 7,869,485.92/x - Step 3: Cross multiply
14,395,829.12x = 19,866,241.28 × 7,869,485.92 - Step 4: Simplify right side
14,395,829.12x = 156,337,106,036,282.78 - Step 5: Solve for x
x = 156,337,106,036,282.78/14,395,829.12 - Step 6: Final answer
x = 10,859,888.98
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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.