Finding the Fourth Proportional to 7,695,153.90, 10,618,378.90 and 4,433,024.70
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Solution
The fourth proportional to 7,695,153.90, 10,618,378.90 and 4,433,024.70 is: 6,117,036.32
Step by Step Solution
- Step 1: Write the proportion equation
7,695,153.90 : 10,618,378.90 = 4,433,024.70 : x - Step 2: Convert to fraction form
7,695,153.90/10,618,378.90 = 4,433,024.70/x - Step 3: Cross multiply
7,695,153.90x = 10,618,378.90 × 4,433,024.70 - Step 4: Simplify right side
7,695,153.90x = 47,071,535,926,576.27 - Step 5: Solve for x
x = 47,071,535,926,576.27/7,695,153.90 - Step 6: Final answer
x = 6,117,036.32
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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.