Finding the Fourth Proportional to 12,926,378.24, 17,838,295.09 and 7,045,905.51
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Solution
The fourth proportional to 12,926,378.24, 17,838,295.09 and 7,045,905.51 is: 9,723,291.35
Step by Step Solution
- Step 1: Write the proportion equation
12,926,378.24 : 17,838,295.09 = 7,045,905.51 : x - Step 2: Convert to fraction form
12,926,378.24/17,838,295.09 = 7,045,905.51/x - Step 3: Cross multiply
12,926,378.24x = 17,838,295.09 × 7,045,905.51 - Step 4: Simplify right side
12,926,378.24x = 125,686,941,663,636.94 - Step 5: Solve for x
x = 125,686,941,663,636.94/12,926,378.24 - Step 6: Final answer
x = 9,723,291.35
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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.