Finding the Fourth Proportional to 13,649,320.99, 18,827,412.15 and 10,378,966.24
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Solution
The fourth proportional to 13,649,320.99, 18,827,412.15 and 10,378,966.24 is: 14,316,395.32
Step by Step Solution
- Step 1: Write the proportion equation
13,649,320.99 : 18,827,412.15 = 10,378,966.24 : x - Step 2: Convert to fraction form
13,649,320.99/18,827,412.15 = 10,378,966.24/x - Step 3: Cross multiply
13,649,320.99x = 18,827,412.15 × 10,378,966.24 - Step 4: Simplify right side
13,649,320.99x = 195,409,075,091,415.81 - Step 5: Solve for x
x = 195,409,075,091,415.81/13,649,320.99 - Step 6: Final answer
x = 14,316,395.32
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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.