Finding the Fourth Proportional to 12,342,559.28, 17,031,720.96 and 7,044,228.08
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Solution
The fourth proportional to 12,342,559.28, 17,031,720.96 and 7,044,228.08 is: 9,720,457.84
Step by Step Solution
- Step 1: Write the proportion equation
12,342,559.28 : 17,031,720.96 = 7,044,228.08 : x - Step 2: Convert to fraction form
12,342,559.28/17,031,720.96 = 7,044,228.08/x - Step 3: Cross multiply
12,342,559.28x = 17,031,720.96 × 7,044,228.08 - Step 4: Simplify right side
12,342,559.28x = 119,975,327,015,866.92 - Step 5: Solve for x
x = 119,975,327,015,866.92/12,342,559.28 - Step 6: Final answer
x = 9,720,457.84
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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.