Finding the Fourth Proportional to 12,630,760.99, 17,430,462.53 and 6,829,541.19
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Solution
The fourth proportional to 12,630,760.99, 17,430,462.53 and 6,829,541.19 is: 9,424,773.53
Step by Step Solution
- Step 1: Write the proportion equation
12,630,760.99 : 17,430,462.53 = 6,829,541.19 : x - Step 2: Convert to fraction form
12,630,760.99/17,430,462.53 = 6,829,541.19/x - Step 3: Cross multiply
12,630,760.99x = 17,430,462.53 × 6,829,541.19 - Step 4: Simplify right side
12,630,760.99x = 119,042,061,800,849.69 - Step 5: Solve for x
x = 119,042,061,800,849.69/12,630,760.99 - Step 6: Final answer
x = 9,424,773.53
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1.5x scale
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.