Finding the Fourth Proportional to 18,908,259.04, 26,093,043.06 and 11,565,552.76
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Solution
The fourth proportional to 18,908,259.04, 26,093,043.06 and 11,565,552.76 is: 15,960,246.02
Step by Step Solution
- Step 1: Write the proportion equation
18,908,259.04 : 26,093,043.06 = 11,565,552.76 : x - Step 2: Convert to fraction form
18,908,259.04/26,093,043.06 = 11,565,552.76/x - Step 3: Cross multiply
18,908,259.04x = 26,093,043.06 × 11,565,552.76 - Step 4: Simplify right side
18,908,259.04x = 301,780,466,179,381.81 - Step 5: Solve for x
x = 301,780,466,179,381.81/18,908,259.04 - Step 6: Final answer
x = 15,960,246.02
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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.