Finding the Fourth Proportional to 9,976,937.60, 14,976,465.60 and 6,194,691.20
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Solution
The fourth proportional to 9,976,937.60, 14,976,465.60 and 6,194,691.20 is: 9,298,903.47
Step by Step Solution
- Step 1: Write the proportion equation
9,976,937.60 : 14,976,465.60 = 6,194,691.20 : x - Step 2: Convert to fraction form
9,976,937.60/14,976,465.60 = 6,194,691.20/x - Step 3: Cross multiply
9,976,937.60x = 14,976,465.60 × 6,194,691.20 - Step 4: Simplify right side
9,976,937.60x = 92,774,579,659,422.72 - Step 5: Solve for x
x = 92,774,579,659,422.72/9,976,937.60 - Step 6: Final answer
x = 9,298,903.47
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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.