Finding the Fourth Proportional to 13,306,476.48, 18,362,950.56 and 7,194,903.36
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Solution
The fourth proportional to 13,306,476.48, 18,362,950.56 and 7,194,903.36 is: 9,928,973.68
Step by Step Solution
- Step 1: Write the proportion equation
13,306,476.48 : 18,362,950.56 = 7,194,903.36 : x - Step 2: Convert to fraction form
13,306,476.48/18,362,950.56 = 7,194,903.36/x - Step 3: Cross multiply
13,306,476.48x = 18,362,950.56 × 7,194,903.36 - Step 4: Simplify right side
13,306,476.48x = 132,119,654,683,657.88 - Step 5: Solve for x
x = 132,119,654,683,657.88/13,306,476.48 - Step 6: Final answer
x = 9,928,973.68
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1.5x scale
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.