Finding the Fourth Proportional to 15,116,449.20, 22,676,056.20 and 6,139,143.60
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Solution
The fourth proportional to 15,116,449.20, 22,676,056.20 and 6,139,143.60 is: 9,209,276.82
Step by Step Solution
- Step 1: Write the proportion equation
15,116,449.20 : 22,676,056.20 = 6,139,143.60 : x - Step 2: Convert to fraction form
15,116,449.20/22,676,056.20 = 6,139,143.60/x - Step 3: Cross multiply
15,116,449.20x = 22,676,056.20 × 6,139,143.60 - Step 4: Simplify right side
15,116,449.20x = 139,211,565,293,470.31 - Step 5: Solve for x
x = 139,211,565,293,470.31/15,116,449.20 - Step 6: Final answer
x = 9,209,276.82
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1.5x scale
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.