Finding the Fourth Proportional to 7,391,056.70, 11,077,253.85 and 6,551,248.70
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Solution
The fourth proportional to 7,391,056.70, 11,077,253.85 and 6,551,248.70 is: 9,818,602.11
Step by Step Solution
- Step 1: Write the proportion equation
7,391,056.70 : 11,077,253.85 = 6,551,248.70 : x - Step 2: Convert to fraction form
7,391,056.70/11,077,253.85 = 6,551,248.70/x - Step 3: Cross multiply
7,391,056.70x = 11,077,253.85 × 6,551,248.70 - Step 4: Simplify right side
7,391,056.70x = 72,569,844,884,382.50 - Step 5: Solve for x
x = 72,569,844,884,382.50/7,391,056.70 - Step 6: Final answer
x = 9,818,602.11
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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.