Finding the Fourth Proportional to 10,289,119.63, 14,199,245.79 and 5,643,089.63
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Solution
The fourth proportional to 10,289,119.63, 14,199,245.79 and 5,643,089.63 is: 7,787,606.67
Step by Step Solution
- Step 1: Write the proportion equation
10,289,119.63 : 14,199,245.79 = 5,643,089.63 : x - Step 2: Convert to fraction form
10,289,119.63/14,199,245.79 = 5,643,089.63/x - Step 3: Cross multiply
10,289,119.63x = 14,199,245.79 × 5,643,089.63 - Step 4: Simplify right side
10,289,119.63x = 80,127,616,671,370.16 - Step 5: Solve for x
x = 80,127,616,671,370.16/10,289,119.63 - Step 6: Final answer
x = 7,787,606.67
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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.