Finding the Fourth Proportional to 26,294,130.60, 39,441,195.90 and 8,343,205.80
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Solution
The fourth proportional to 26,294,130.60, 39,441,195.90 and 8,343,205.80 is: 12,514,808.70
Step by Step Solution
- Step 1: Write the proportion equation
26,294,130.60 : 39,441,195.90 = 8,343,205.80 : x - Step 2: Convert to fraction form
26,294,130.60/39,441,195.90 = 8,343,205.80/x - Step 3: Cross multiply
26,294,130.60x = 39,441,195.90 × 8,343,205.80 - Step 4: Simplify right side
26,294,130.60x = 329,066,014,391,816.19 - Step 5: Solve for x
x = 329,066,014,391,816.19/26,294,130.60 - Step 6: Final answer
x = 12,514,808.70
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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.