Finding the Fourth Proportional to 12,214,875.58, 16,863,072.61 and 9,417,889.99
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Solution
The fourth proportional to 12,214,875.58, 16,863,072.61 and 9,417,889.99 is: 13,001,733.96
Step by Step Solution
- Step 1: Write the proportion equation
12,214,875.58 : 16,863,072.61 = 9,417,889.99 : x - Step 2: Convert to fraction form
12,214,875.58/16,863,072.61 = 9,417,889.99/x - Step 3: Cross multiply
12,214,875.58x = 16,863,072.61 × 9,417,889.99 - Step 4: Simplify right side
12,214,875.58x = 158,814,562,668,659.78 - Step 5: Solve for x
x = 158,814,562,668,659.78/12,214,875.58 - Step 6: Final answer
x = 13,001,733.96
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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.