Finding the Fourth Proportional to 13,144,276.74, 19,698,790.81 and 10,229,888.53
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Solution
The fourth proportional to 13,144,276.74, 19,698,790.81 and 10,229,888.53 is: 15,331,116.21
Step by Step Solution
- Step 1: Write the proportion equation
13,144,276.74 : 19,698,790.81 = 10,229,888.53 : x - Step 2: Convert to fraction form
13,144,276.74/19,698,790.81 = 10,229,888.53/x - Step 3: Cross multiply
13,144,276.74x = 19,698,790.81 × 10,229,888.53 - Step 4: Simplify right side
13,144,276.74x = 201,516,434,162,088.38 - Step 5: Solve for x
x = 201,516,434,162,088.38/13,144,276.74 - Step 6: Final answer
x = 15,331,116.21
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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.