Finding the Fourth Proportional to 26,244,659.70, 39,366,989.55 and 8,293,763.70
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Solution
The fourth proportional to 26,244,659.70, 39,366,989.55 and 8,293,763.70 is: 12,440,645.55
Step by Step Solution
- Step 1: Write the proportion equation
26,244,659.70 : 39,366,989.55 = 8,293,763.70 : x - Step 2: Convert to fraction form
26,244,659.70/39,366,989.55 = 8,293,763.70/x - Step 3: Cross multiply
26,244,659.70x = 39,366,989.55 × 8,293,763.70 - Step 4: Simplify right side
26,244,659.70x = 326,500,508,908,069.31 - Step 5: Solve for x
x = 326,500,508,908,069.31/26,244,659.70 - Step 6: Final answer
x = 12,440,645.55
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Double scale
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Similar ratio
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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.