Finding the Fourth Proportional to 13,628,698.93, 20,438,624.04 and 4,528,352.44
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Solution
The fourth proportional to 13,628,698.93, 20,438,624.04 and 4,528,352.44 is: 6,791,058.60
Step by Step Solution
- Step 1: Write the proportion equation
13,628,698.93 : 20,438,624.04 = 4,528,352.44 : x - Step 2: Convert to fraction form
13,628,698.93/20,438,624.04 = 4,528,352.44/x - Step 3: Cross multiply
13,628,698.93x = 20,438,624.04 × 4,528,352.44 - Step 4: Simplify right side
13,628,698.93x = 92,553,293,041,776.66 - Step 5: Solve for x
x = 92,553,293,041,776.66/13,628,698.93 - Step 6: Final answer
x = 6,791,058.60
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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.