Finding the Fourth Proportional to 32,266,831.20, 48,418,909.20 and 12,074,114.40
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Solution
The fourth proportional to 32,266,831.20, 48,418,909.20 and 12,074,114.40 is: 18,118,154.99
Step by Step Solution
- Step 1: Write the proportion equation
32,266,831.20 : 48,418,909.20 = 12,074,114.40 : x - Step 2: Convert to fraction form
32,266,831.20/48,418,909.20 = 12,074,114.40/x - Step 3: Cross multiply
32,266,831.20x = 48,418,909.20 × 12,074,114.40 - Step 4: Simplify right side
32,266,831.20x = 584,615,448,804,012.50 - Step 5: Solve for x
x = 584,615,448,804,012.50/32,266,831.20 - Step 6: Final answer
x = 18,118,154.99
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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.