Finding the Fourth Proportional to 10,667,117.20, 14,720,710.74 and 6,259,478.44
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Solution
The fourth proportional to 10,667,117.20, 14,720,710.74 and 6,259,478.44 is: 8,638,132.47
Step by Step Solution
- Step 1: Write the proportion equation
10,667,117.20 : 14,720,710.74 = 6,259,478.44 : x - Step 2: Convert to fraction form
10,667,117.20/14,720,710.74 = 6,259,478.44/x - Step 3: Cross multiply
10,667,117.20x = 14,720,710.74 × 6,259,478.44 - Step 4: Simplify right side
10,667,117.20x = 92,143,971,498,506.45 - Step 5: Solve for x
x = 92,143,971,498,506.45/10,667,117.20 - Step 6: Final answer
x = 8,638,132.47
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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.