Finding the Fourth Proportional to 14,679,991.30, 22,019,986.95 and 13,357,293.70
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Solution
The fourth proportional to 14,679,991.30, 22,019,986.95 and 13,357,293.70 is: 20,035,940.55
Step by Step Solution
- Step 1: Write the proportion equation
14,679,991.30 : 22,019,986.95 = 13,357,293.70 : x - Step 2: Convert to fraction form
14,679,991.30/22,019,986.95 = 13,357,293.70/x - Step 3: Cross multiply
14,679,991.30x = 22,019,986.95 × 13,357,293.70 - Step 4: Simplify right side
14,679,991.30x = 294,127,432,961,317.19 - Step 5: Solve for x
x = 294,127,432,961,317.19/14,679,991.30 - Step 6: Final answer
x = 20,035,940.55
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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.