Finding the Fourth Proportional to 11,069,876.24, 15,276,808.50 and 6,423,311.24
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Solution
The fourth proportional to 11,069,876.24, 15,276,808.50 and 6,423,311.24 is: 8,864,389.59
Step by Step Solution
- Step 1: Write the proportion equation
11,069,876.24 : 15,276,808.50 = 6,423,311.24 : x - Step 2: Convert to fraction form
11,069,876.24/15,276,808.50 = 6,423,311.24/x - Step 3: Cross multiply
11,069,876.24x = 15,276,808.50 × 6,423,311.24 - Step 4: Simplify right side
11,069,876.24x = 98,127,695,749,377.55 - Step 5: Solve for x
x = 98,127,695,749,377.55/11,069,876.24 - Step 6: Final answer
x = 8,864,389.59
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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.