Finding the Fourth Proportional to 9,539,747.19, 13,163,655.43 and 6,448,995.36
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Solution
The fourth proportional to 9,539,747.19, 13,163,655.43 and 6,448,995.36 is: 8,898,805.29
Step by Step Solution
- Step 1: Write the proportion equation
9,539,747.19 : 13,163,655.43 = 6,448,995.36 : x - Step 2: Convert to fraction form
9,539,747.19/13,163,655.43 = 6,448,995.36/x - Step 3: Cross multiply
9,539,747.19x = 13,163,655.43 × 6,448,995.36 - Step 4: Simplify right side
9,539,747.19x = 84,892,352,722,890.53 - Step 5: Solve for x
x = 84,892,352,722,890.53/9,539,747.19 - Step 6: Final answer
x = 8,898,805.29
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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.