Finding the Fourth Proportional to 26,246,586.40, 39,369,879.60 and 14,720,221.60
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Solution
The fourth proportional to 26,246,586.40, 39,369,879.60 and 14,720,221.60 is: 22,080,332.40
Step by Step Solution
- Step 1: Write the proportion equation
26,246,586.40 : 39,369,879.60 = 14,720,221.60 : x - Step 2: Convert to fraction form
26,246,586.40/39,369,879.60 = 14,720,221.60/x - Step 3: Cross multiply
26,246,586.40x = 39,369,879.60 × 14,720,221.60 - Step 4: Simplify right side
26,246,586.40x = 579,533,352,077,319.38 - Step 5: Solve for x
x = 579,533,352,077,319.38/26,246,586.40 - Step 6: Final answer
x = 22,080,332.40
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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.