Finding the Fourth Proportional to 28,452,942.18, 42,679,525.35 and 6,887,509.26
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Solution
The fourth proportional to 28,452,942.18, 42,679,525.35 and 6,887,509.26 is: 10,331,291.02
Step by Step Solution
- Step 1: Write the proportion equation
28,452,942.18 : 42,679,525.35 = 6,887,509.26 : x - Step 2: Convert to fraction form
28,452,942.18/42,679,525.35 = 6,887,509.26/x - Step 3: Cross multiply
28,452,942.18x = 42,679,525.35 × 6,887,509.26 - Step 4: Simplify right side
28,452,942.18x = 293,955,626,060,529.75 - Step 5: Solve for x
x = 293,955,626,060,529.75/28,452,942.18 - Step 6: Final answer
x = 10,331,291.02
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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.