Finding the Fourth Proportional to 26,887,243.20, 40,330,864.80 and 22,163,323.20
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Solution
The fourth proportional to 26,887,243.20, 40,330,864.80 and 22,163,323.20 is: 33,244,984.80
Step by Step Solution
- Step 1: Write the proportion equation
26,887,243.20 : 40,330,864.80 = 22,163,323.20 : x - Step 2: Convert to fraction form
26,887,243.20/40,330,864.80 = 22,163,323.20/x - Step 3: Cross multiply
26,887,243.20x = 40,330,864.80 × 22,163,323.20 - Step 4: Simplify right side
26,887,243.20x = 893,865,991,497,903.25 - Step 5: Solve for x
x = 893,865,991,497,903.25/26,887,243.20 - Step 6: Final answer
x = 33,244,984.80
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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.