Finding the Fourth Proportional to 10,376,121.28, 15,587,801.53 and 7,506,339.88
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Solution
The fourth proportional to 10,376,121.28, 15,587,801.53 and 7,506,339.88 is: 11,276,596.82
Step by Step Solution
- Step 1: Write the proportion equation
10,376,121.28 : 15,587,801.53 = 7,506,339.88 : x - Step 2: Convert to fraction form
10,376,121.28/15,587,801.53 = 7,506,339.88/x - Step 3: Cross multiply
10,376,121.28x = 15,587,801.53 × 7,506,339.88 - Step 4: Simplify right side
10,376,121.28x = 117,007,336,266,164.02 - Step 5: Solve for x
x = 117,007,336,266,164.02/10,376,121.28 - Step 6: Final answer
x = 11,276,596.82
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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.