Finding the Fourth Proportional to 26,232,666.60, 39,348,999.90 and 8,279,437.80
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Solution
The fourth proportional to 26,232,666.60, 39,348,999.90 and 8,279,437.80 is: 12,419,156.70
Step by Step Solution
- Step 1: Write the proportion equation
26,232,666.60 : 39,348,999.90 = 8,279,437.80 : x - Step 2: Convert to fraction form
26,232,666.60/39,348,999.90 = 8,279,437.80/x - Step 3: Cross multiply
26,232,666.60x = 39,348,999.90 × 8,279,437.80 - Step 4: Simplify right side
26,232,666.60x = 325,787,597,164,256.19 - Step 5: Solve for x
x = 325,787,597,164,256.19/26,232,666.60 - Step 6: Final answer
x = 12,419,156.70
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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.