Finding the Fourth Proportional to 19,621,657.74, 29,437,197.56 and 6,158,485.74
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Solution
The fourth proportional to 19,621,657.74, 29,437,197.56 and 6,158,485.74 is: 9,239,207.20
Step by Step Solution
- Step 1: Write the proportion equation
19,621,657.74 : 29,437,197.56 = 6,158,485.74 : x - Step 2: Convert to fraction form
19,621,657.74/29,437,197.56 = 6,158,485.74/x - Step 3: Cross multiply
19,621,657.74x = 29,437,197.56 × 6,158,485.74 - Step 4: Simplify right side
19,621,657.74x = 181,288,561,398,822.78 - Step 5: Solve for x
x = 181,288,561,398,822.78/19,621,657.74 - Step 6: Final answer
x = 9,239,207.20
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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.