Finding the Fourth Proportional to 10,210,991.98, 15,319,479.45 and 3,294,331.11
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Solution
The fourth proportional to 10,210,991.98, 15,319,479.45 and 3,294,331.11 is: 4,942,461.79
Step by Step Solution
- Step 1: Write the proportion equation
10,210,991.98 : 15,319,479.45 = 3,294,331.11 : x - Step 2: Convert to fraction form
10,210,991.98/15,319,479.45 = 3,294,331.11/x - Step 3: Cross multiply
10,210,991.98x = 15,319,479.45 × 3,294,331.11 - Step 4: Simplify right side
10,210,991.98x = 50,467,437,741,140.69 - Step 5: Solve for x
x = 50,467,437,741,140.69/10,210,991.98 - Step 6: Final answer
x = 4,942,461.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.