Finding the Fourth Proportional to 14,679,990.80, 22,019,986.20 and 13,357,293.20
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Solution
The fourth proportional to 14,679,990.80, 22,019,986.20 and 13,357,293.20 is: 20,035,939.80
Step by Step Solution
- Step 1: Write the proportion equation
14,679,990.80 : 22,019,986.20 = 13,357,293.20 : x - Step 2: Convert to fraction form
14,679,990.80/22,019,986.20 = 13,357,293.20/x - Step 3: Cross multiply
14,679,990.80x = 22,019,986.20 × 13,357,293.20 - Step 4: Simplify right side
14,679,990.80x = 294,127,411,933,353.81 - Step 5: Solve for x
x = 294,127,411,933,353.81/14,679,990.80 - Step 6: Final answer
x = 20,035,939.80
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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.