Finding the Fourth Proportional to 11,376,518.34, 15,699,595.47 and 6,219,880.02
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Solution
The fourth proportional to 11,376,518.34, 15,699,595.47 and 6,219,880.02 is: 8,583,434.52
Step by Step Solution
- Step 1: Write the proportion equation
11,376,518.34 : 15,699,595.47 = 6,219,880.02 : x - Step 2: Convert to fraction form
11,376,518.34/15,699,595.47 = 6,219,880.02/x - Step 3: Cross multiply
11,376,518.34x = 15,699,595.47 × 6,219,880.02 - Step 4: Simplify right side
11,376,518.34x = 97,649,600,185,935.50 - Step 5: Solve for x
x = 97,649,600,185,935.50/11,376,518.34 - Step 6: Final answer
x = 8,583,434.52
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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.