Finding the Fourth Proportional to 13,537,438.42, 20,312,358.58 and 5,863,430.38
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Solution
The fourth proportional to 13,537,438.42, 20,312,358.58 and 5,863,430.38 is: 8,797,831.37
Step by Step Solution
- Step 1: Write the proportion equation
13,537,438.42 : 20,312,358.58 = 5,863,430.38 : x - Step 2: Convert to fraction form
13,537,438.42/20,312,358.58 = 5,863,430.38/x - Step 3: Cross multiply
13,537,438.42x = 20,312,358.58 × 5,863,430.38 - Step 4: Simplify right side
13,537,438.42x = 119,100,100,387,425.64 - Step 5: Solve for x
x = 119,100,100,387,425.64/13,537,438.42 - Step 6: Final answer
x = 8,797,831.37
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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.