Finding the Fourth Proportional to 7,559,813.70, 11,339,720.55 and 6,851,225.70
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Solution
The fourth proportional to 7,559,813.70, 11,339,720.55 and 6,851,225.70 is: 10,276,838.55
Step by Step Solution
- Step 1: Write the proportion equation
7,559,813.70 : 11,339,720.55 = 6,851,225.70 : x - Step 2: Convert to fraction form
7,559,813.70/11,339,720.55 = 6,851,225.70/x - Step 3: Cross multiply
7,559,813.70x = 11,339,720.55 × 6,851,225.70 - Step 4: Simplify right side
7,559,813.70x = 77,690,984,862,978.14 - Step 5: Solve for x
x = 77,690,984,862,978.14/7,559,813.70 - Step 6: Final answer
x = 10,276,838.55
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Similar ratio
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1.5x scale
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.