Finding the Fourth Proportional to 22,476,723.58, 31,018,097.40 and 12,163,661.02
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Solution
The fourth proportional to 22,476,723.58, 31,018,097.40 and 12,163,661.02 is: 16,785,970.65
Step by Step Solution
- Step 1: Write the proportion equation
22,476,723.58 : 31,018,097.40 = 12,163,661.02 : x - Step 2: Convert to fraction form
22,476,723.58/31,018,097.40 = 12,163,661.02/x - Step 3: Cross multiply
22,476,723.58x = 31,018,097.40 × 12,163,661.02 - Step 4: Simplify right side
22,476,723.58x = 377,293,622,258,943.31 - Step 5: Solve for x
x = 377,293,622,258,943.31/22,476,723.58 - Step 6: Final answer
x = 16,785,970.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.