Finding the Fourth Proportional to 16,185,312.08, 22,335,470.12 and 8,842,987.60
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Solution
The fourth proportional to 16,185,312.08, 22,335,470.12 and 8,842,987.60 is: 12,203,180.53
Step by Step Solution
- Step 1: Write the proportion equation
16,185,312.08 : 22,335,470.12 = 8,842,987.60 : x - Step 2: Convert to fraction form
16,185,312.08/22,335,470.12 = 8,842,987.60/x - Step 3: Cross multiply
16,185,312.08x = 22,335,470.12 × 8,842,987.60 - Step 4: Simplify right side
16,185,312.08x = 197,512,285,311,330.50 - Step 5: Solve for x
x = 197,512,285,311,330.50/16,185,312.08 - Step 6: Final answer
x = 12,203,180.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.