Finding the Fourth Proportional to 10,368,817.30, 15,526,009.95 and 7,319,718.10
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Solution
The fourth proportional to 10,368,817.30, 15,526,009.95 and 7,319,718.10 is: 10,960,364.40
Step by Step Solution
- Step 1: Write the proportion equation
10,368,817.30 : 15,526,009.95 = 7,319,718.10 : x - Step 2: Convert to fraction form
10,368,817.30/15,526,009.95 = 7,319,718.10/x - Step 3: Cross multiply
10,368,817.30x = 15,526,009.95 × 7,319,718.10 - Step 4: Simplify right side
10,368,817.30x = 113,646,016,051,795.08 - Step 5: Solve for x
x = 113,646,016,051,795.08/10,368,817.30 - Step 6: Final answer
x = 10,960,364.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.