Finding the Fourth Proportional to 12,213,223.20, 18,314,305.20 and 4,637,671.20
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Solution
The fourth proportional to 12,213,223.20, 18,314,305.20 and 4,637,671.20 is: 6,954,407.07
Step by Step Solution
- Step 1: Write the proportion equation
12,213,223.20 : 18,314,305.20 = 4,637,671.20 : x - Step 2: Convert to fraction form
12,213,223.20/18,314,305.20 = 4,637,671.20/x - Step 3: Cross multiply
12,213,223.20x = 18,314,305.20 × 4,637,671.20 - Step 4: Simplify right side
12,213,223.20x = 84,935,725,774,050.23 - Step 5: Solve for x
x = 84,935,725,774,050.23/12,213,223.20 - Step 6: Final answer
x = 6,954,407.07
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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.