Finding the Fourth Proportional to 39,319,640.12, 58,979,409.14 and 10,565,776.35
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Solution
The fourth proportional to 39,319,640.12, 58,979,409.14 and 10,565,776.35 is: 15,848,650.81
Step by Step Solution
- Step 1: Write the proportion equation
39,319,640.12 : 58,979,409.14 = 10,565,776.35 : x - Step 2: Convert to fraction form
39,319,640.12/58,979,409.14 = 10,565,776.35/x - Step 3: Cross multiply
39,319,640.12x = 58,979,409.14 × 10,565,776.35 - Step 4: Simplify right side
39,319,640.12x = 623,163,246,228,385.88 - Step 5: Solve for x
x = 623,163,246,228,385.88/39,319,640.12 - Step 6: Final answer
x = 15,848,650.81
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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.