Finding the Fourth Proportional to 10,908,564.34, 15,053,934.74 and 6,013,961.60
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Solution
The fourth proportional to 10,908,564.34, 15,053,934.74 and 6,013,961.60 is: 8,299,330.93
Step by Step Solution
- Step 1: Write the proportion equation
10,908,564.34 : 15,053,934.74 = 6,013,961.60 : x - Step 2: Convert to fraction form
10,908,564.34/15,053,934.74 = 6,013,961.60/x - Step 3: Cross multiply
10,908,564.34x = 15,053,934.74 × 6,013,961.60 - Step 4: Simplify right side
10,908,564.34x = 90,533,785,455,265.98 - Step 5: Solve for x
x = 90,533,785,455,265.98/10,908,564.34 - Step 6: Final answer
x = 8,299,330.93
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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.