Finding the Fourth Proportional to 11,098,681.41, 15,311,928.33 and 6,746,179.62
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Solution
The fourth proportional to 11,098,681.41, 15,311,928.33 and 6,746,179.62 is: 9,307,143.35
Step by Step Solution
- Step 1: Write the proportion equation
11,098,681.41 : 15,311,928.33 = 6,746,179.62 : x - Step 2: Convert to fraction form
11,098,681.41/15,311,928.33 = 6,746,179.62/x - Step 3: Cross multiply
11,098,681.41x = 15,311,928.33 × 6,746,179.62 - Step 4: Simplify right side
11,098,681.41x = 103,297,018,842,746.64 - Step 5: Solve for x
x = 103,297,018,842,746.64/11,098,681.41 - Step 6: Final answer
x = 9,307,143.35
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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.