Finding the Fourth Proportional to 10,822,972.24, 14,928,508.36 and 6,960,379.60
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Solution
The fourth proportional to 10,822,972.24, 14,928,508.36 and 6,960,379.60 is: 9,600,697.73
Step by Step Solution
- Step 1: Write the proportion equation
10,822,972.24 : 14,928,508.36 = 6,960,379.60 : x - Step 2: Convert to fraction form
10,822,972.24/14,928,508.36 = 6,960,379.60/x - Step 3: Cross multiply
10,822,972.24x = 14,928,508.36 × 6,960,379.60 - Step 4: Simplify right side
10,822,972.24x = 103,908,085,047,373.45 - Step 5: Solve for x
x = 103,908,085,047,373.45/10,822,972.24 - Step 6: Final answer
x = 9,600,697.73
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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.