Finding the Fourth Proportional to 10,268,362.35, 14,169,801.61 and 5,621,257.08
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Solution
The fourth proportional to 10,268,362.35, 14,169,801.61 and 5,621,257.08 is: 7,757,040.02
Step by Step Solution
- Step 1: Write the proportion equation
10,268,362.35 : 14,169,801.61 = 5,621,257.08 : x - Step 2: Convert to fraction form
10,268,362.35/14,169,801.61 = 5,621,257.08/x - Step 3: Cross multiply
10,268,362.35x = 14,169,801.61 × 5,621,257.08 - Step 4: Simplify right side
10,268,362.35x = 79,652,097,671,885.55 - Step 5: Solve for x
x = 79,652,097,671,885.55/10,268,362.35 - Step 6: Final answer
x = 7,757,040.02
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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.