Finding the Fourth Proportional to 10,415,461.74, 15,617,497.48 and 8,270,266.92
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Solution
The fourth proportional to 10,415,461.74, 15,617,497.48 and 8,270,266.92 is: 12,400,878.23
Step by Step Solution
- Step 1: Write the proportion equation
10,415,461.74 : 15,617,497.48 = 8,270,266.92 : x - Step 2: Convert to fraction form
10,415,461.74/15,617,497.48 = 8,270,266.92/x - Step 3: Cross multiply
10,415,461.74x = 15,617,497.48 × 8,270,266.92 - Step 4: Simplify right side
10,415,461.74x = 129,160,872,782,027.36 - Step 5: Solve for x
x = 129,160,872,782,027.36/10,415,461.74 - Step 6: Final answer
x = 12,400,878.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.