Finding the Fourth Proportional to 10,476,768.88, 15,722,368.80 and 3,653,393.68
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Solution
The fourth proportional to 10,476,768.88, 15,722,368.80 and 3,653,393.68 is: 5,482,606.66
Step by Step Solution
- Step 1: Write the proportion equation
10,476,768.88 : 15,722,368.80 = 3,653,393.68 : x - Step 2: Convert to fraction form
10,476,768.88/15,722,368.80 = 3,653,393.68/x - Step 3: Cross multiply
10,476,768.88x = 15,722,368.80 × 3,653,393.68 - Step 4: Simplify right side
10,476,768.88x = 57,440,002,808,549.19 - Step 5: Solve for x
x = 57,440,002,808,549.19/10,476,768.88 - Step 6: Final answer
x = 5,482,606.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.